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Depression & Low Mood | Onsen Bathing as Complementary Therapy

Published May 6, 2026·1min read

Depressive states carry a general bathing indication across all 10 Japanese spring types. Simple springs, chloride springs, and sulfate springs additionally hold specific type indications for depression. Thermal, buoyancy, and hydrostatic effects shift the nervous system toward parasympathetic dominance. Consult a psychiatrist before starting if taking antidepressants.

Depression & Low Mood | Onsen Bathing as Complementary Therapy
Applicable spring types
10 types
Analysis records
111 records
Table of Contents
  1. Effective spring types for depression
  2. How onsen bathing helps depression
  3. Bathing tips to ease depressive symptoms

Effective spring types for depression

Depressive states are covered by the general bathing indication for all 10 spring types, and simple, chloride, and sulfate springs additionally hold specific type indications.

high pH and gentle on skin — indicated for autonomic instability and depressive states

the salt film prolongs warmth, sustaining relaxation

also taken by drinking; studied for direct neurological effects

See the full 10-spring-type guide

How onsen bathing helps depression

Onsen bathing temporarily raises core body temperature; the subsequent drop promotes melatonin secretion, improving sleep quality. Buoyancy and hydrostatic pressure release muscular tension. Simple springs (high pH, gentle on skin) are the mildest choice for sensitive individuals. Chloride springs provide prolonged warmth via the salt film; sulfate springs are studied for direct neurological effects.

Filter on the map & mineral viewer

Filter by the relevant spring types and find onsen you like from the map or list. Compare analysis details with the mineral viewer.

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Bathing tips to ease depressive symptoms

  1. Soak gently for 10–15 minutes in a lukewarm 38–40°C bath to favour parasympathetic activation
  2. Bathe 1–2 hours before bed so the drop in core temperature smooths the transition to sleep
  3. A short morning bath resets the body clock and steadies daily rhythm
  4. Make onsen visits a sustainable habit — combining a change of scene with light exercise

Related Onsen Facilities

40 matches
Shotokuji Onsen Hatsuhana Simple Spring
Simple SpringInfo pending
Shotokuji Onsen Hatsuhana
はつはな
Kanagawa Yamanashi City· 正徳寺温泉 初花Hakone Onsen
Silky skin bath

Nestled in a tranquil Yamanashi City village, Shotokuji Onsen is a simple, therapeutic hot spring, cherished by locals for generations. Its highly alkaline waters, boasting a pH of 9.5, offer a thick, serum-like texture. As you slowly immerse yourself in the lukewarm bath, daily stiffness gently melts away, offering deep relaxation and potential pain relief. After your soak, anticipate surprisingly silky skin and a renewed sense of rejuvenation, perfect for those seeking an escape from the hustle to indulge in self-care.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHStrongly Alkaline9.5
0714
TEMP32.2
0℃50℃100℃
KEY MINERALS

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

60.1 mg/kg

Slightly alkaline, softening dead skin cells.

1.0 mg/kg

A trace antibacterial component that keeps skin clean.

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Morizaneonsen Yasuraginosato Yamakuni Simple Spring
Simple SpringInfo pending
Morizaneonsen Yasuraginosato Yamakuni
守実温泉 やすらぎの郷 やまくに
Oita Nakatsu· やすらぎの郷やまくに
The Healing Waters of Yamakuni

Once beloved by the local community as "Morizane Onsen," this spring was reborn in 2003 as "Yasuragi no Sato Yamakuni." Gushing from 1,000 meters underground at the foot of Mt. Hiko in Yamakuni, the Yasuragi no Sato Yamakuni Gensen is a gentle simple spring nurtured by the rich nature of Oku-Yabakei. Its mildly alkaline water, with a pH of 7.9, is exceptionally soft on the skin and minimally irritating, making it suitable for everyone from children to the elderly.

Onsen RyokanPrivate Rental Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8
0714
TEMP31.8
0℃50℃100℃
KEY MINERALS

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

8.9 マッヘ単位

A rare radioactive spring where trace radiation absorbed via inhalation and skin is expected to stimulate cells (the "hormesis effect").

Softens dead skin cells for a silky bathing feel.

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Noboribetsu Onsen Manseikaku Ferruginous Spring
Ferruginous SpringSulphur SpringAcidic SpringSimple SpringInfo pending
Noboribetsu Onsen Manseikaku
登別温泉 万世閣
Hokkaido Noboribetsu· 登別温泉 1号乙泉Noboribetsu Onsen
Hot Spring Department Store

Noboribetsu Onsen, Hokkaido's renowned hot spring, often called a 'department store of hot springs,' began its formal history in the Edo period when Takimoto Kinzo established a therapeutic bath. Despite the rugged landscape of 'Jigokudani' (Hell Valley), an explosive crater site said to be home to demons, the waters, a bounty from this earth, are filled with powerful healing. This acidic, sulfur-scented spring water thoroughly cleanses the skin and delivers restorative warmth deep into the body. It is highly recommended for those who wish to feel the energy of nature and experience a dynamic rejuvenation of mind and body.

Onsen RyokanRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHStrongly Acidic2.3
0714
TEMP72.5
0℃50℃100℃
KEY MINERALS
29.1 mg/kg

Strong astringent action that tightens skin. A key component of acidic springs, suited to oily or acne-prone skin.

The source of the distinctive sulfur smell. Dilates blood vessels via skin and inhalation to strongly boost circulation.

21.3 mg/kg

A trace component with gentle antibacterial and anti-inflammatory action.

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Etabia Yufuinkinrinko Simple Spring
Simple SpringVerified
Etabia Yufuinkinrinko
ETAVIA湯布院金鱗湖
Oita Yufu· ETAVIA 湯布院金鱗湖
Kinrinko's Moisturizing Spring

This private spring gushes near Lake Kinrin in Yufuin, one of Japan's premier onsen destinations. The ETAVIA Yufuin Kinrinko Gensen is a simple hot spring, blessed by Mt. Yufu, known for being gentle and non-irritating to the skin. Within the history of Yufuin, long cherished as a health resort, this water has quietly soothed the minds and bodies of its visitors. Surrendering to the bath, you'll feel a smooth, lotion-like texture envelop your skin, allowing you to forget the hustle and bustle of daily life. It is a spring full of gentleness, recommended for those seeking a moment of peace.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.4
0714
TEMP39.9
0℃50℃100℃
KEY MINERALS

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

A trace component with gentle antibacterial and anti-inflammatory action.

Softens dead skin cells for a silky bathing feel.

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Hakoneyumotoonsen Seikansou Simple Spring
Simple SpringVerified
Hakoneyumotoonsen Seikansou
静観荘
Kanagawa Hakone· 湯本 第29・46号混合泉Hakone Onsen
Blend of the Old Tokaido

Hakone-Yumoto Onsen, said to have opened in the Nara period, boasts the oldest history in Hakone. This Yumoto No. 29 & 46 Goko-sen is a blend of multiple sources from this historic spa town. It is used in public bathhouses along the old Tokaido road, having soothed weary travelers for centuries.

Onsen RyokanRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.7
0714
TEMP45.8
0℃50℃100℃
KEY MINERALS

A natural moisturizer that leaves a hydrated feel on the skin.

A trace component with gentle antibacterial and anti-inflammatory action.

71.5 mg/kg

Softens dead skin cells for a silky bathing feel.

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Yufuinonsen Yufuinsansuikan Simple Spring
Simple SpringVerified
Yufuinonsen Yufuinsansuikan
ゆふいん山水館
Oita Yufu· ゆふいん山水館 あさぎりの湯Yufuin Onsen
The Silky Skin Spring of the Morning Mist

As its name "Asagiri no Yu" (Morning Mist Bath) suggests, this source gushes forth in a location overlooking the Yufuin Basin's magical morning mist. It is a private source nurtured by one of Yufuin's most historic establishments, founded in 1911. The alkaline simple spring is gentle on the skin. Its abundant metasilicic acid helps to wash away old skin cells, leaving your skin feeling silky smooth. It is a renowned spring perfect for days when you wish to quietly reset your mind and body at the foot of Mt. Yufu.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.5
0714
TEMP64
0℃50℃100℃
KEY MINERALS

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

Softens dead skin cells for a silky bathing feel.

A trace component with gentle antibacterial and anti-inflammatory action.

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Oyado Uraku Simple Spring
Simple SpringVerified
Oyado Uraku
由布院温泉 お宿 有楽
Oita Yufu· お宿 有楽
The Spring that Nurtures Yufu's Silky Skin

The Oyado Yuraku Gensen is a private source bubbling up in the central area of Yufuin Onsen, a town known for its idyllic rural landscapes at the foot of Mt. Yufu. Many of Yufuin's springs, a long-cherished health resort area, are classified as simple hot springs gentle on the skin. This source is one of them, characterized by its mild and soft touch. Immersing yourself in its waters feels like being embraced by the serene nature of Yufuin, offering a peaceful respite for resetting mind and body away from daily life.

Onsen RyokanRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.3
0714
TEMP49.4
0℃50℃100℃
KEY MINERALS

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

A trace component with gentle antibacterial and anti-inflammatory action.

Softens dead skin cells for a silky bathing feel.

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Yufuinonsen Yufunogou Saigakukan Simple Spring
Simple SpringVerified
Yufuinonsen Yufunogou Saigakukan
柚富の郷 彩岳館
Oita Yufu· 柚富の郷 彩岳館 温湯Yufuin Onsen
Yufu's Blessing, a Silky Skin Spring

This is one of the private sources gushing in Yufuin Onsen, one of Japan's most popular hot spring resorts. The "On-yu" source is a simple hot spring drawn from within the property, known for being gentle and suitable for everyone due to its low mineral content. Its weak alkalinity of pH 8.2 gently removes dead skin cells, leaving the skin feeling smooth. Rich in metasilicic acid, a natural moisturizing component, it helps hydrate the skin after bathing. This spring is recommended for those seeking a gentle bath to unwind both body and soul while surrounded by the majestic nature of Mount Yufu.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.2
0714
TEMP44.9
0℃50℃100℃
KEY MINERALS

A natural moisturizer that leaves a hydrated feel on the skin.

Softens dead skin cells for a silky bathing feel.

0.9 mg/kg

A trace antibacterial component that keeps skin clean.

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Amagaseonsen Sansou Tensui Simple Spring
Simple SpringVerified
Amagaseonsen Sansou Tensui
山荘 天水
Oita Hita· 山荘天水Amagase Onsen
The Healing Spring of Sakurataki Falls

The Sanso Tensui source is a private spring nestled in the mountains of Amagase Onsen, one of Oita's three great hot springs alongside Beppu and Yufuin. Established in 1995 on a vast 10,000-tsubo (approx. 33,000 m²) estate overlooking the famous Sakurataki Falls, this relatively new source gushes forth pure, heavenly water. The high-temperature 64.5°C spring water is used free-flowing with added cool water, known for its gentle, smooth touch on the skin. Surrounded by the murmur of a clear stream and lush greenery, it offers deep healing and tranquility to those wishing to escape the city's hustle and bustle.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral7.3
0714
TEMP64.5
0℃50℃100℃
KEY MINERALS

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

6.0 mg/kg

A trace antibacterial component that keeps skin clean.

12.6 mg/kg

A trace component with gentle antibacterial and anti-inflammatory action.

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Bansuiroufukuzumi Simple Spring
Simple SpringVerified
Bansuiroufukuzumi
萬翠楼 福住
Kanagawa Hakone· 湯本温泉 湯本 第3号Hakone Onsen
The Gentle Spring of Oku-Yumoto

Hakone Yumoto Onsen, said to have been discovered in the Nara period, is home to Yumoto Onsen No. 3. This source quietly gushes from its location in the deepest part of the area, along the Sugumo River valley. Excavated as a horizontal tunnel during the Meiji period, this naturally gushing spring yields soft, alkaline waters that gently envelop the skin. After a bath, one can expect a feeling of lightness, both in body and mind. It continues to be cherished and utilized by surrounding onsen facilities, beloved by those seeking to quietly restore their body and mind amidst abundant nature.

Onsen RyokanRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.9
0714
TEMP42.4
0℃50℃100℃
KEY MINERALS

A trace component with gentle antibacterial and anti-inflammatory action.

A natural moisturizer that leaves a hydrated feel on the skin.

Gentle antibacterial action that conditions the skin.

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Oyado Nurukawaonsen Simple Spring
Simple SpringVerified
Oyado Nurukawaonsen
御宿 ぬるかわ温泉
Oita Yufu· ぬるかわ温泉
The Skin-Nourishing Spring

Gushing in the renowned Yufuin Onsen region, the Nurukawa Onsen source is beloved for its tranquil setting despite being conveniently located near Lake Kinrin. This spring is characterized by its soft, clear, and gentle water, a classic simple onsen cherished by many facilities in Yufuin. Its weakly alkaline nature is mild on the skin, leaving you feeling refreshed yet deeply warmed after bathing. It's the perfect spring for days when you want to gently unwind both mind and body amidst the idyllic scenery of Mount Yufu.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.3
0714
TEMP68.3
0℃50℃100℃
KEY MINERALS

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

Softens dead skin cells for a silky bathing feel.

A trace component with gentle antibacterial and anti-inflammatory action.

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Fukuji Onsen Simple Spring
Simple SpringInfo pending
Fukuji Onsen
隠庵 ひだ路
Gifu Takayama· 福地温泉混合Fukuji Onsen
Blessings of Okuhida, a hot spring of warmth

Born in Fukuji Onsen, nestled in the mountains of Okuhida, where multiple sources merge into one. This special blend embodies the blessings of a land long cherished for its therapeutic waters. The soft, near-neutral water with a pH of 7.16 gently envelops the skin, while the high 95°C source delivers warmth to your core. This onsen is for those seeking to escape the everyday hustle, deeply relax their mind and body, and cherish themselves in a tranquil moment.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral7.16
0714
TEMP95
0℃50℃100℃
KEY MINERALS

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

A trace component with gentle antibacterial and anti-inflammatory action.

136 mg/kg

Gentle warming effect that helps you stay warm after bathing.

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Hoteru Sambari Anekkusu Simple Spring
Simple SpringVerified
Hoteru Sambari Anekkusu
ホテル サンバリー アネックス
Oita Beppu· ホテルサンバリーアネックス
Port Town's Silky Skin Spring

This private source is pumped from 300 meters underground in the port area of Beppu, Japan's premier onsen city. Drilled exclusively for the Hotel Sun Valley Annex, this spring delivers the blessings of Beppu's waters to its visitors. [3] The simple, mildly alkaline thermal water is gentle and characterized by a smooth texture that softly envelops the skin. After bathing, the skin feels silky and deeply moisturized. It is an ideal spring for those seeking to gently unwind both body and mind amidst the energy of Beppu.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.3
0714
TEMP52.2
0℃50℃100℃
KEY MINERALS

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

A trace component with gentle antibacterial and anti-inflammatory action.

1.2 mg/kg

A trace antibacterial component that keeps skin clean.

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Akarinoyado Tougetsu Simple Spring
Simple SpringVerified
Akarinoyado Tougetsu
灯りの宿 燈月
Oita Beppu· 灯りの宿 燈月Kannawa Onsen
The Lantern Light Spring of Serenity

Gushing in the Kannawa Onsen area, one of the eight springs of Beppu, Japan's top onsen destination, the Akari no Yado Tougetsu Gensen is a relatively new source, drilled and pump-lifted for a facility that opened in 2019. It offers modern relaxation while inheriting the traditions of Kannawa, long-famed as a therapeutic spa area. With a neutral pH of 6.8, close to human skin, the water is gentle and suitable for everyone. Immersing yourself in these waters helps you forget the hustle and bustle of daily life, deeply relaxing both mind and body.

Onsen RyokanPrivate Rental Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral6.9
0714
TEMP68.8
0℃50℃100℃
KEY MINERALS

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

59.9 mg/kg

Softens dead skin cells for a silky bathing feel.

97.2 mg/kg

Soothes the skin and gently improves circulation.

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Gora Onsen Simple Spring
Simple SpringVerified
Gora Onsen
強羅花壇
Kanagawa Gora, Ashigarashimo District· 宮城野 第26, 30, 117号 混合泉Hakone Onsen
The Soothing Spring of Gora

The Miyagino Combined Spring supplies the Gora Onsen area, one of Hakone's 17 famous springs. Since successful drilling around 1965, this source has supported the development of the Miyagino district as a health resort. By blending multiple sources, it maintains a stable volume and quality. The soft, weakly alkaline water is gentle on the skin, leaving it feeling smooth after bathing. It is recommended for those seeking a moment of peace to gently unwind both body and mind amidst Hakone's rich nature.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.4
0714
TEMP45.5
0℃50℃100℃
KEY MINERALS

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

A trace component with gentle antibacterial and anti-inflammatory action.

Softens dead skin cells for a silky bathing feel.

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PRIncludes affiliate links
Arimaonsen Takayamasou Hanano Radioactive Spring
Radioactive SpringSimple SpringChloride SpringInfo pending
Arimaonsen Takayamasou Hanano
有馬温泉 高山荘 華野
Hyogo Kobe· ラドン泉, 1号1
The Silver Spring of Healing

This Radon-sen No. 1 source plays a key role as one of the "Ginsen" (Silver Springs) that color the history of Arima Onsen, one of Japan's three ancient hot springs. In contrast to the reddish-brown "Kinsen" containing iron, Ginsen is characterized by its clear, smooth feel. The water from this source is said to gently stimulate cells and vitalize the body as it's absorbed through breathing.

Onsen RyokanRoom with Open-air BathTattoo OK (public bath)
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral6.94
0714
TEMP14.6
0℃50℃100℃
KEY MINERALS
637 マッヘ単位

A rare radioactive spring where trace radiation absorbed via inhalation and skin is expected to stimulate cells (the "hormesis effect").

2.8 mg/kg

A trace antibacterial component that keeps skin clean.

A natural moisturizer that leaves a hydrated feel on the skin.

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Kamenoihoteru Kusatsurizoto Acidic Spring
Acidic SpringChloride SpringSulphate SpringInfo pending
Kamenoihoteru Kusatsurizoto
草津温泉ホテルリゾート
Gunma Kusatsu· 万代鉱Kusatsu Onsen
Scalding Strong Acidic Spring

The Mandaiko source, originating from traces of past mining development, is deeply intertwined with Kusatsu Onsen's unique yumomi culture and its long history of toji (therapeutic bathing). Its highly acidic waters, among Japan's most potent, deliver a distinctive tingling sensation, awakening both mind and body and offering a sense of rejuvenation. The high-temperature blessings penetrate deep into the core, leaving you with a surprisingly light and refreshed feeling after your bath. We invite those seeking a genuine toji experience, a true escape from daily life to restore their mind and body, to discover the profound power of this spring.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHStrongly Acidic1.75
0714
TEMP94.6
0℃50℃100℃
KEY MINERALS
43.2 mg/kg

Strong astringent action that tightens skin. A key component of acidic springs, suited to oily or acne-prone skin.

25.1 mg/kg

Mild antibacterial action keeps the skin clean. Trace transdermal absorption supports tooth and bone health.

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

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Kusatsuonsen Bouun Acidic Spring
Acidic SpringChloride SpringSulphate SpringVerified
Kusatsuonsen Bouun
望雲
Gunma Kusatsu· 万代鉱1Kusatsu Onsen
Scalding Strong Acidic Spring

The Mandaiko source, originating from traces of past mining development, is deeply intertwined with Kusatsu Onsen's unique yumomi culture and its long history of toji (therapeutic bathing). Its highly acidic waters, among Japan's most potent, deliver a distinctive tingling sensation, awakening both mind and body and offering a sense of rejuvenation. The high-temperature blessings penetrate deep into the core, leaving you with a surprisingly light and refreshed feeling after your bath. We invite those seeking a genuine toji experience, a true escape from daily life to restore their mind and body, to discover the profound power of this spring.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHStrongly Acidic1.75
0714
TEMP94.6
0℃50℃100℃
KEY MINERALS
43.2 mg/kg

Strong astringent action that tightens skin. A key component of acidic springs, suited to oily or acne-prone skin.

25.1 mg/kg

Mild antibacterial action keeps the skin clean. Trace transdermal absorption supports tooth and bone health.

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

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Rabisuta Kusatsuhiruzu Acidic Spring
Acidic SpringChloride SpringSulphate SpringSulphur SpringInfo pending
Rabisuta Kusatsuhiruzu
ラビスタ草津ヒルズ(共立リゾート)
Gunma Kusatsu· 万代鉱2
Scalding Strong Acidic Spring

The Mandaiko source, originating from traces of past mining development, is deeply intertwined with Kusatsu Onsen's unique yumomi culture and its long history of toji (therapeutic bathing). Its highly acidic waters, among Japan's most potent, deliver a distinctive tingling sensation, awakening both mind and body and offering a sense of rejuvenation. The high-temperature blessings penetrate deep into the core, leaving you with a surprisingly light and refreshed feeling after your bath. We invite those seeking a genuine toji experience, a true escape from daily life to restore their mind and body, to discover the profound power of this spring.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHStrongly Acidic1.75
0714
TEMP94.6
0℃50℃100℃
KEY MINERALS
43.2 mg/kg

Strong astringent action that tightens skin. A key component of acidic springs, suited to oily or acne-prone skin.

25.1 mg/kg

Mild antibacterial action keeps the skin clean. Trace transdermal absorption supports tooth and bone health.

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

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Bourou NOGUCHI Noboribetsu Sulphur Spring
Sulphur SpringChloride SpringSulphate SpringInfo pending
Bourou NOGUCHI Noboribetsu
望楼NOGUCHI登別
Hokkaido Noboribetsu City· 奥の湯Noboribetsu Onsen
Sophisticated Adult Retreat

A new 'Wa-modern' current emerged in Noboribetsu Onsen's history in 2006. This distinctive spring, with its faintly fragrant sulfur, evokes a sense of travel, while its chloride and sulfate composition gently infuses the skin with rich warmth. The heat gradually permeates the body's core, offering a pleasant restorative warmth that endures post-bath. It is perfectly suited for those desiring deep relaxation for mind and body in a sophisticated ambiance, far from daily clamor.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHAcidic5.7
0714
TEMP46.1
0℃50℃100℃
KEY MINERALS
64.1 mg/kg

Undissociated boric acid with antibacterial action that keeps the skin surface clean.

The source of the distinctive sulfur smell. Dilates blood vessels via skin and inhalation to strongly boost circulation.

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

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Shogetsu Grand Hotel Chloride Spring
Chloride SpringInfo pending
Shogetsu Grand Hotel
章月グランドホテル
Hokkaido Minami Ward, Sapporo· 定山渓温泉Jozankei Onsen
Toyohira River Spring

Since its discovery in 1866 by the ascetic monk Miizumi Jozan, Jozankei Onsen has been cherished as Sapporo's secluded hot spring retreat. Its springs, naturally gushing approximately 8,600 liters per minute from the riverbed near Tsukimibashi and Takayamabashi on the Toyohira River, are colorless, clear, and possess a subtly salty taste. This water envelops the skin like a delicate veil of salt, delivering restorative warmth deep into the body's core. It is highly recommended for those seeking deep relaxation and liberation of mind and body, away from urban clamor, while immersed in the valley's changing seasons.

Onsen RyokanPrivate Rental Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral6.4
0714
TEMP77.5
0℃50℃100℃
KEY MINERALS

Undissociated boric acid with antibacterial action that keeps the skin surface clean.

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

1492 mg/kg

Boosts after-bath warmth and warms the body from the core.

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Kusatsuonsen Ichii Acidic Spring
Acidic SpringChloride SpringSulphate SpringSulphur SpringInfo pending
Kusatsuonsen Ichii
ホテル一井
Gunma Kusatsu· 万代鉱1Kusatsu Onsen
The Strongest Spring from the Mine

The Bandaiko source, which unexpectedly erupted from within the Bandai Sulfur Mine in 1970, now stands as Kusatsu's primary hot spring, boasting the largest output and supporting the town. Named with the wish for 'eternal prosperity' (万代), this powerful source was born in the mountains, far from the Yubatake (Kusatsu's central hot-water field). Its colorless, transparent waters deliver a stimulating tingle that awakens both mind and body, while its robust warmth permeates to the very core. This energetic spring is a perfect companion for those seeking liberation from daily routines and a crisp mental and physical rejuvenation.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHStrongly Acidic1.7
0714
TEMP94.6
0℃50℃100℃
KEY MINERALS
43.2 mg/kg

Strong astringent action that tightens skin. A key component of acidic springs, suited to oily or acne-prone skin.

25.1 mg/kg

Mild antibacterial action keeps the skin clean. Trace transdermal absorption supports tooth and bone health.

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

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Shikinoyuzashikimusashinobekkan Chloride Spring
Chloride SpringVerified
Shikinoyuzashikimusashinobekkan
武蔵野別館
Kanagawa Hakone· 温泉村 第114号Hakone Onsen
Warmth of the Valley Spring

Onsenmura No. 114, a chloride spring drawn from approximately 100 meters underground at Miyanoshita Onsen—one of Hakone's renowned Seven Hot Springs—carries a rich history. This area flourished as a therapeutic hot spring resort since the Edo period, evolving into an international destination during the Meiji era. The spring's unique feature is its gentle embrace, forming a 'salt veil' on the skin that slowly warms the body from its core. The restorative warmth lingers long after your bath, promoting deep relaxation for both mind and body. It is highly recommended for those seeking to soothe daily fatigue while immersing themselves in history.

Onsen RyokanPrivate Rental BathRoom with Open-air BathTattoo OK (public bath)
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.1
0714
TEMP60.8
0℃50℃100℃
KEY MINERALS
22.3 mg/kg

A trace component with gentle antibacterial and anti-inflammatory action.

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

510 mg/kg

Boosts after-bath warmth and warms the body from the core.

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Gouraonsen Kiritani Hakonesou Acidic Spring
Acidic SpringSulphate SpringChloride SpringVerified
Gouraonsen Kiritani Hakonesou
桐谷 箱根荘
Kanagawa Hakone· 大涌谷温泉 (2号・3号線混合泉)Hakone Onsen
The Turbid Water of the Earth's Pulse

This unique created hot spring utilizes the fumaroles of Owakudani, which were formed by volcanic activity approximately 3000 years ago. In the early Showa period, Hakone Onsen Kyokyu Co., Ltd. developed this source to supply hot water to areas like Sengokuhara and Gora. The water, created by mixing volcanic gas and water, offers a distinct, tingling, and tightening sensation upon contact with the skin. The powerful energy from the earth delivers restorative warmth deep into the body, a warmth that lingers long after your bath. It is ideal for those seeking deep relaxation and rejuvenation, wishing to refresh their mind and body.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHStrongly Acidic2.1
0714
TEMP60.6
0℃50℃100℃
KEY MINERALS
7.5 mg/kg

Tightens the skin and balances sebum.

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

14.2 mg/kg

A trace component with gentle antibacterial and anti-inflammatory action.

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Beppuonsen Hoterunyutsuruta Chloride Spring
Chloride SpringInfo pending
Beppuonsen Hoterunyutsuruta
別府温泉 ホテルニューツルタ
Oita Beppu· ホテルニューツルタ 源泉1号
The Soothing Chloride Spring

Hotel New Tsuruta Gensen 1-go is a private source located in the Kitahama area, the central district of the Beppu Onsen region, which boasts the largest volume of hot spring water in Japan. This source feeds the hotel's panoramic bath, known as "Nijo-no-yu," and is descended from a historic spring said to have been flowing since the Tenpo era (1830-1844). The mildly alkaline chloride spring is gentle on the skin and warms the body to its core. It is recommended for those who wish to unwind and experience a moment of luxury while soaking in historic waters with a view of Beppu Bay.

Onsen RyokanTattoo OK (public bath)
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline7.8
0714
TEMP56
0℃50℃100℃
KEY MINERALS

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

Softens dead skin cells for a silky bathing feel.

170 mg/kg

Transdermal absorption gently supports skin hydration and muscle relaxation.

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Gen Hakonegoura Chloride Spring
Chloride SpringVerified
Gen Hakonegoura
玄 箱根強羅
Kanagawa Hakone· 強羅温泉 (5号・6号井混合蒸気造成泉)Hakone Onsen
The Crafted Geothermal Spring

Gora Onsen is a unique "steam-created spring," established in the early Showa period, born from the reaction between volcanic steam from Owakudani and water from Sengokuhara. This blessing embodies the fusion of Hakone's natural power and human ingenuity. A gentle salt veil envelops the skin, delivering heat deep into the body's core, ensuring restorative warmth that lingers long after your bath. It's the perfect spring to soothe the fatigue of an active day and quietly replenish your vitality for tomorrow.

Onsen RyokanRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral7.3
0714
TEMP56.2
0℃50℃100℃
KEY MINERALS
30.4 mg/kg

A trace component with gentle antibacterial and anti-inflammatory action.

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

559 mg/kg

Boosts after-bath warmth and warms the body from the core.

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Arimaonsen Kamenoihoteru Arima Ferruginous Spring
Ferruginous SpringChloride SpringInfo pending
Arimaonsen Kamenoihoteru Arima
有馬温泉 亀の井ホテル 有馬
Hyogo Kobe· 愛宕山泉源
Earth-Staining Golden Spring

The Atagoyama Sengen, gushing forth in Arima Onsen—one of Japan's three ancient hot springs—is a prime example of the "Kinsen" (gold spring), which turns a vivid reddish-brown upon contact with air. Its history is deep, having long supported the therapeutic bathing culture of Arima. The water from this source, rich in salt and iron, offers a powerful warmth that heats the body to its core. Steeping in this bath envelops you in a warmth that feels infused with the earth's blessings, a sensation that lingers long after you emerge.

Onsen RyokanRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral6.14
0714
TEMP96.6
0℃50℃100℃
KEY MINERALS

Undissociated boric acid with antibacterial action that keeps the skin surface clean.

30600 mg/kg

Salinity comparable to seawater. The salt film traps heat for outstanding warmth ("hot bath spring").

13800 mg/kg

Salt forms a thin film on the skin, retaining heat after bathing. Helps with poor circulation.

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Yuyado Tokinoniwa Sulphur Spring
Sulphur SpringAcidic SpringChloride SpringSulphate SpringVerified
Yuyado Tokinoniwa
湯宿 季の庭
Gunma Kusatsu· わたの湯1Kusatsu Onsen
The Cotton-Wrapped Spring

This rare, naturally gushing source emerges from beneath 'Gensenkaku,' nestled beside Kusatsu Onsen's iconic Yubatake (Kusatsu's central hot-water field). Despite its strong acidity, its waters offer a remarkably soft bathing sensation, akin to being enveloped in silk floss. The milky-white waters, renowned for having Kusatsu's finest 'yunohana' (hot spring minerals), gently embrace the skin, contributing to silky skin and providing a restorative warmth that lingers deep within the body. Known as a 'phantom spring' for its history of disappearing once during the Taisho era, it now offers a profound escape from daily life, inviting deep relaxation and rejuvenation.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHStrongly Acidic2.1
0714
TEMP50.2
0℃50℃100℃
KEY MINERALS
44.3 mg/kg

Strong astringent action that tightens skin. A key component of acidic springs, suited to oily or acne-prone skin.

The source of the distinctive sulfur smell. Dilates blood vessels via skin and inhalation to strongly boost circulation.

9.6 mg/kg

Mild antibacterial action keeps the skin clean. Trace transdermal absorption supports tooth and bone health.

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Jozankei Onsen Hotel Shikanoyu Chloride Spring
Chloride SpringInfo pending
Jozankei Onsen Hotel Shikanoyu
定山渓温泉ホテル鹿の湯
Hokkaido Minami Ward, Sapporo· ホテル鹿の湯5号泉、33号泉の混合泉Jozankei Onsen
Historic Deer Healing Spring

This renowned hot spring of Jozankei Onsen traces its origins to a legend from 1897, where a wild deer was said to have healed its wounds on the banks of the Toyohira River. Rich in salt, the waters gently envelop the skin like a protective veil, delivering a soothing warmth that penetrates deep into the body's core. The pleasant, lingering warmth after bathing feels akin to being embraced by nature's blessings. This source offers a serene retreat for those seeking to unwind from daily fatigue while listening to the tranquil murmuring of the valley.

Onsen RyokanTattoo OK (public bath)
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral6.4
0714
TEMP62.3
0℃50℃100℃
KEY MINERALS

Undissociated boric acid with antibacterial action that keeps the skin surface clean.

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

1364 mg/kg

Boosts after-bath warmth and warms the body from the core.

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Tajimayaryokan Sulphur Spring
Sulphur SpringAcidic SpringChloride SpringSulphate SpringInfo pending
Tajimayaryokan
草津温泉 田島屋旅館
Gunma Kusatsu· 湯畑源泉Kusatsu Onsen
The Cure-All Spring

The Yubatake source, naturally gushing from Kusatsu Onsen's iconic Yubatake (Kusatsu's central hot-water field), holds a distinguished history. During the Edo period, it was ranked as the highest-ranking Ozeki in the Onsen Banzuke, recognized alongside the Shirahata source as one of Kusatsu's two major hot springs. Its powerful, pH2 water, permeated with a sulfurous aroma, imparts a refreshing, tightening sensation upon the skin. A soak in this historic, renowned hot spring cleanses the body and mind, offering deep relaxation and rejuvenation from daily fatigue. It is a must-visit for those seeking to feel the energy of a historic hot spring and desire a complete refresh.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHStrongly Acidic2
0714
TEMP52.3
0℃50℃100℃
KEY MINERALS
49.1 mg/kg

Strong astringent action that tightens skin. A key component of acidic springs, suited to oily or acne-prone skin.

The source of the distinctive sulfur smell. Dilates blood vessels via skin and inhalation to strongly boost circulation.

10.1 mg/kg

Mild antibacterial action keeps the skin clean. Trace transdermal absorption supports tooth and bone health.

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Noboribetsu Onsen Acidic Spring
Acidic SpringFerruginous SpringSulphate SpringChloride SpringCarbonated SpringSulphur SpringSimple SpringVerified
Noboribetsu Onsen
第一滝本館大浴場
Hokkaido Noboribetsu· 1号甲泉2Noboribetsu Onsen
Blessings of the Earth, Powerful Acidic Spring

This is one of the most well-known sources in Noboribetsu, a leading onsen destination in Hokkaido. It continuously flows at a high temperature of 96.5°C, embodying the raw power of the earth. The highly acidic water, with a pH of 2.2, provides a tingling sensation on the skin and a refreshing feeling after bathing. Its rich iron and sulfate content offers a powerful bathing experience that feels as if it's awakening both mind and body. It's a spring for those who wish to reset from daily fatigue, gain new vitality, and feel nature's energy throughout their entire being.

Onsen RyokanRoom with Open-air BathTattoo OK (public bath)
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHStrongly Acidic2.2
0714
TEMP96.5
0℃50℃100℃
KEY MINERALS

Undissociated boric acid with antibacterial action that keeps the skin surface clean.

16.9 mg/kg

Strong astringent action that tightens skin. A key component of acidic springs, suited to oily or acne-prone skin.

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

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Kusatsu Kan Sulphur Spring
Sulphur SpringAcidic SpringChloride SpringSulphate SpringInfo pending
Kusatsu Kan
草津館
Gunma Kusatsu, Agatsuma District· 白旗源泉1Kusatsu Onsen
Shirahata-no-yu of Kusatsu

Shirahatage Genzen, located in Kusatsu Onsen and adjacent to Yubatake (Kusatsu's central hot-water field), is said to have been discovered by Minamoto no Yoritomo. Historically, it served as the stage for 'Jikan-yu' (timed bathing), supporting balneotherapy culture, and is truly considered the soul of Kusatsu. Its distinctive aroma and powerful waters, which feel as though they firm the skin, seem to awaken the mind and body from within. Surrendering to its embrace offers a pure moment to shed daily clamor and rediscover one's true self. This spring is a sanctuary for those seeking a fresh start and rejuvenation.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHStrongly Acidic2
0714
TEMP51.9
0℃50℃100℃
KEY MINERALS
47.1 mg/kg

Strong astringent action that tightens skin. A key component of acidic springs, suited to oily or acne-prone skin.

The source of the distinctive sulfur smell. Dilates blood vessels via skin and inhalation to strongly boost circulation.

10.0 mg/kg

Mild antibacterial action keeps the skin clean. Trace transdermal absorption supports tooth and bone health.

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Arimaonsen Tousen Goshobou Ferruginous Spring
Ferruginous SpringChloride SpringVerified
Arimaonsen Tousen Goshobou
陶泉 御所坊
Hyogo Kobe· 妬泉源Arima Onsen
The Golden Spring of Legend

The Uwanari Gensen is a primary source for Arima Onsen's famous "Kinsen" (Golden Spring). Its name, meaning "jealousy spring," comes from a legend that the water would gush violently with envy whenever a beautiful woman passed by. [3, 6, 7] Once an intermittent spring, it is now drilled and its waters are distributed to many establishments in Arima via other sources like the Gosho Sengen. [3, 6, 7] Rich in iron and salt, this spring is known for its characteristic reddish-brown color upon oxidation and its ability to warm the body to its core.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral6.7
0714
TEMP100.5
0℃50℃100℃
KEY MINERALS

Undissociated boric acid with antibacterial action that keeps the skin surface clean.

21980 mg/kg

Salinity comparable to seawater. The salt film traps heat for outstanding warmth ("hot bath spring").

10840 mg/kg

Salt forms a thin film on the skin, retaining heat after bathing. Helps with poor circulation.

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Arima Onsen Chloride Spring
Chloride SpringFerruginous SpringInfo pending
Arima Onsen
SPA TERRACE 紫翠
Hyogo Kita Ward, Kobe· 天神泉源Arima Onsen
Blessings of the Earth, Golden Hot Spring

This is a representative 'Kinsen' (golden spring) of Arima Onsen, one of Japan's three ancient hot springs. Rich in iron and salt, its waters turn a distinctive reddish-brown upon contact with air. These dense minerals provide deep, lasting warmth, while a salt veil on the skin helps retain moisture, leaving it feeling smooth. Perfect for those struggling with chronic fatigue or poor circulation, or anyone seeking to refresh mind and body. It supports those wishing to regain vitality through the power of its potent waters.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral6.6
0714
TEMP99.4
0℃50℃100℃
KEY MINERALS

Undissociated boric acid with antibacterial action that keeps the skin surface clean.

21130 mg/kg

Salinity comparable to seawater. The salt film traps heat for outstanding warmth ("hot bath spring").

10470 mg/kg

Salt forms a thin film on the skin, retaining heat after bathing. Helps with poor circulation.

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Kumihama Onsen Yumoto Kan Chloride Spring
Chloride SpringInfo pending
Kumihama Onsen Yumoto Kan
久美浜温泉 湯元館
Kyoto Kumihama, Kyotango· 久美浜温泉(高温源泉)1
Kumihama's Warming Waters

Discovered in 1992, Kumihama Onsen, drilled from 1500m underground, emerges in the scenic Kumihama Bay area of northern Kyoto Prefecture, facing the Sea of Japan. Its colorless, transparent, and mild waters are renowned for a gentle, skin-enveloping veil of salt. This unique quality delivers restorative warmth deep into the body's core, ensuring a lasting sense of comfort long after you leave the bath. It's an ideal retreat for those seeking deep relaxation and a profound escape from daily life amidst stunning rias coastlines.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.08
0714
TEMP51.2
0℃50℃100℃
KEY MINERALS
2278 mg/kg

Boosts after-bath warmth and warms the body from the core.

10.1 mg/kg

Gentle calming action; often found alongside chloride.

889 mg/kg

Gentle astringent action that conditions the skin.

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Hirayu no Mori Chloride Spring
Chloride SpringCarbonated SpringInfo pending
Hirayu no Mori
ひらゆの森
Gifu Hirayu, Okuhida Onsen-go, Takayama City· ひらゆの森の湯と沢水との混合泉Hirayu Onsen
Okuhida hot spring for beautiful skin and relaxation

Hirayu Onsen, nestled deep within Okuhida Onsenkyo and embraced by the Hida Mountains, is an ancient hot spring said to have been discovered by Takeda Shingen's defeated warriors. Its waters, rich in chloride and bicarbonate springs, gently refine the skin, promoting a silky skin sensation, while delivering restorative warmth deep into the body. This pleasant warmth lingers long after your bath, feeling like a blessing from the mountains. It is highly recommended for those seeking deep relaxation and a respite from daily life while admiring the Northern Alps, or for hikers wishing to soothe their weary bodies.

Onsen RyokanDay-use BathPrivate Rental BathTattoo OK (public bath)
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral6.7
0714
TEMP67.7
0℃50℃100℃
KEY MINERALS
14.9 mg/kg

A trace component with gentle antibacterial and anti-inflammatory action.

Softens dead skin cells for a silky bathing feel.

A natural moisturizer that leaves a hydrated feel on the skin.

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Niseko Onsen Ikoinoyuyado Iroha Chloride Spring
Chloride SpringCarbonated SpringSulphate SpringInfo pending
Niseko Onsen Ikoinoyuyado Iroha
いこいの湯宿 いろは
Hokkaido Niseko, Abuta District· ニセコ町源泉Niseko Onsen-go
Niseko's Resort Spring

The Niseko-cho source is pump-lifted from the base of Niseko Annupuri International Ski Resort. Developed by the Hokkaido Chuo Bus Group, its colorless, clear waters are widely supplied to nearby hot spring facilities. Drawn from abundant natural forests, this spring offers a soft touch and provides restorative warmth, gently heating the body to its core. A subtle salt veil envelops the skin, leaving a lasting warmth that offers deep relaxation for bodies fatigued from outdoor activities. It is highly recommended for those seeking rejuvenation amidst grand nature.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral7.2
0714
TEMP58.9
0℃50℃100℃
KEY MINERALS

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

Softens dead skin cells for a silky bathing feel.

A trace component with gentle antibacterial and anti-inflammatory action.

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Saga Yamato Onsen Amandi Carbon Dioxide Spring
Carbon Dioxide SpringCarbonated SpringInfo pending
Saga Yamato Onsen Amandi
佐賀大和温泉ホテルアマンディ
Saga Yamato, Saga City· 大和の湯
Earth's Effervescent Spring

Found near the Saga Yamato Interchange, "Yamato no Yu" stands as one of Kyushu's premier high-concentration carbonated springs. This source boasts an impressive 1600mg/kg of carbon dioxide gas, significantly surpassing the legal definition for a carbon dioxide spring of 1000mg/kg. Fresh, pump-lifted water is directly supplied, ensuring its purity. As you immerse yourself in the lukewarm bath, countless silver bubbles envelop your skin, their gentle effervescence stimulating circulation throughout your body. It's an ideal hot spring for those seeking deep relaxation and rejuvenation for both mind and body.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral6.24
0714
TEMP25.1
0℃50℃100℃
KEY MINERALS
1668 mg/kg

A "beauty spring" that gently emulsifies dead skin cells, leaving skin smooth after bathing.

Bubbles cling to the skin and dilate blood vessels — the "heart spring." Warms the body even at lukewarm temperatures.

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

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Yamasatonoiori Souen Carbonated Spring
Carbonated SpringVerified
Yamasatonoiori Souen
山里のいおり 草円
Gifu Takayama· 福の湯Fukuji Onsen
Blessings of Okuhida, a hot spring that brings good fortune

Nestled at the foot of the Northern Alps in Okuhida Onsen-go, 'Fuku no Yu' (Spring of Fortune) is a blessed hot spring said to bring good fortune to its visitors. With a gentle, skin-friendly neutral pH of 7.2, its abundant bicarbonate ions wash away old skin cells, leaving your skin smooth to the touch. As you immerse yourself in the water, you'll feel the hustle and bustle of daily life fade away, accompanied by a faint scent of sulfur. This calm and pure spring embraces all who wish to reset their mind and body and gain new vitality.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral7.2
0714
TEMP58.6
0℃50℃100℃
KEY MINERALS

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

4.4 mg/kg

Iron content that boosts heat retention and may tint the water.

0.2 mg/kg

Tightens the skin and balances sebum.

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Yujuku Onsen Sulphate Spring
Sulphate SpringInfo pending
Yujuku Onsen
湯宿温泉 金田屋
Gunma Minakami, Tone District· 窪湯(湯宿温泉)
Sulfate Healing Spring

Nestled along the Tone River, Yujuku Onsen has been a beloved hot spring in a quiet post town, cherished by travelers and literati since the Edo period. Its waters, smooth as silk, envelop the skin in a veil of moisture, offering a truly silky skin experience. This restorative warmth penetrates deep into the body's core, gently releasing daily tensions and promoting deep relaxation. It is a renowned spring for those seeking rejuvenation and a peaceful recuperation amidst the tranquil mountain scenery, with its comforting warmth lingering long after bathing.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8
0714
TEMP59.1
0℃50℃100℃
KEY MINERALS
4.1 mg/kg

A trace antibacterial component that keeps skin clean.

A trace component with gentle antibacterial and anti-inflammatory action.

A natural moisturizer that leaves a hydrated feel on the skin.

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