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Haemorrhoid Pain & Onsen | General Indication & Anal Circulation

Published May 6, 2026·1min read

Haemorrhoid pain carries a general bathing indication across all 10 Japanese spring types. Thermal action is thought to promote local circulation and act on venous congestion and inflammation around the anus. Sitz baths (seated local baths) are a commonly recommended method.

Haemorrhoid Pain & Onsen | General Indication & Anal Circulation
Applicable spring types
10 types
Analysis records
368 records
Table of Contents
  1. Spring types indicated for haemorrhoid pain
  2. How onsen is thought to affect haemorrhoid pain
  3. Bathing tips for haemorrhoid pain

Spring types indicated for haemorrhoid pain

Haemorrhoid pain carries a general bathing indication across all 10 spring types. The indication is based mainly on thermal circulation effects, but spring types with components said to be gentle on the anal mucosa are also popular.

saline heat retention is said to sustain local circulation

alkaline content is said to gently cleanse the anal mucosa

said to dilate peripheral vessels and promote local blood flow

See the full 10-spring-type guide

How onsen is thought to affect haemorrhoid pain

Haemorrhoids result from venous congestion and inflammation around the anus. Thermal bathing is thought to improve local blood flow and reduce congestion. Mineral components — especially the alkaline content of bicarbonate springs and the saline content of chloride springs — are said to gently cleanse the anal mucosa.

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 for haemorrhoid pain

  1. Centre your routine on a sitz bath, submerging only the hips and anal area
  2. Soak in lukewarm 38–40°C water for 10–15 minutes; avoid overheating
  3. Keep the anal area clean after bathing and pat gently rather than rubbing
  4. Avoid bathing during acute bleeding flares and consult a proctologist

Related Onsen Facilities

40 matches
Yufuinyuuberu Simple Spring
Simple SpringInfo pending
Yufuinyuuberu
湯布院温泉 由布院ユウベルホテル
Oita Yufu· 由布院ユウベルホテル1号泉
The Soothing Spring for Silky Skin

Gushing forth in the Yufuin Onsen area at the foot of Mt. Yufu, the Yufuin Yubel Hotel No. 1 Spring embodies the town's spirit. Yufuin, one of Japan's most famous hot spring resorts, has a history of avoiding boisterous development, instead cultivating a tranquil retreat where pastoral landscapes meet art. This alkaline simple spring, with its low-irritant properties, is a perfect expression of that philosophy. The soft, pH 8.5 water gently envelops the skin, leaving it feeling smooth and refreshed after bathing. It is a fine spring that offers a peaceful escape for those seeking to unwind both body and soul.

Onsen RyokanRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.5
0714
TEMP58.8℃
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.

Softens dead skin cells for a silky bathing feel.

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

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Hoshino Rizooto Aomori Ya Simple Spring
Simple SpringInfo pending
Hoshino Rizooto Aomori Ya
星野リゾート 青森屋
Aomori Rokunohe· 古牧温泉
Komakiyama Silky Alkaline Spring

Komaki Onsen was struck in 1971, when drilling for spa tourism tapped water about 1 km beneath Komakiyama in Misawa. It gushes at 43.4°C with an alkaline pH of 9.1, clear and dotted with fine white mineral threads. Mild yet rich in metasilicic acid, the Komaki source leaves skin soft and smooth, soothing travelers who want to linger and unwind in Aomori's northern countryside.

Onsen RyokanRoom with Open-air BathTattoo OK (public bath)
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHStrongly Alkaline9.1
0714
TEMP43.4℃
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.

35.3 mg/kg

Slightly alkaline, softening dead skin cells.

0.6 mg/kg

A trace antibacterial component that keeps skin clean.

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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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Jurigi Nagatake Onsen Simple Spring
Simple SpringInfo pending
Jurigi Nagatake Onsen
秋川渓谷瀬音の湯
Tokyo Akiruno· 十里木・長岳 (じゅうりぎながたけ) 温泉
Alkaline water for smooth skin

This hidden gem springs forth in Akiruno, a city in Tokyo blessed with abundant nature. Its most remarkable feature is its exceptionally high alkalinity, with a pH of 10.01, one of the highest in Japan. The water feels silky and lotion-like, and is traditionally associated with smoothing the skin. It is a gentle and soothing spring, perfect for those seeking to heal daily fatigue and refresh both mind and body.

Onsen RyokanPrivate Rental Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHStrongly Alkaline10.01
0714
TEMP25.9℃
0℃50℃100℃
KEY MINERALS
13.1 mg/kg

Gentle antibacterial action that conditions the skin.

3.0 mg/kg

A trace antibacterial component that keeps skin clean.

77.0 mg/kg

Slightly alkaline, softening dead skin cells.

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Hotel Kowakuen Haruka Simple Spring
Simple SpringInfo pending
Hotel Kowakuen Haruka
道後温泉 ホテル古湧園 遥
Ehime Matsuyama· 道後温泉 第1分湯場Dogo Onsen
Ancient Spring of the White Heron

Dogo Onsen is an ancient spa celebrated since the Man'yo era, linked to the legend of a white heron healing its leg and to a visit by Prince Shotoku. Today water from several sources is blended at distribution stations and piped to the town's public baths and inns under a central management system. The No. 1 station delivers a 47.7°C alkaline simple spring in which sodium makes up over 90% of the cations, with bicarbonate and fluoride. Soft and gentle, it suits anyone who wants to soak slowly in the history of an old spa.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHStrongly Alkaline9.1
0714
TEMP47.7℃
0℃50℃100℃
KEY MINERALS
12.5 mg/kg

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

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

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

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Unazukionsen Entaijisou Simple Spring
Simple SpringInfo pending
Unazukionsen Entaijisou
宇奈月温泉 延対寺荘
Toyama Kurobe· 宇奈月温泉Unazuki Onsen
Pristine Piped Gorge Spring

This hot spring embodies the enduring passion of pioneers, delivered from Kuronagi Onsen in the upper reaches of the Kurobe River to Unazuki Onsen, approximately 7km downstream, after arduous wooden pipe laying construction in Taisho 12 (1923). Gushing at an abundant rate of approximately 2,000 liters per minute, its colorless and transparent waters seem to embody the pristine clarity of the gorge itself. With a soft touch that gently envelops the skin, it slowly warms the body to its core. Ideal for those seeking to unwind their mind and body, embraced by nature, at the various inns and public bathhouses throughout the town.

Onsen RyokanDay-use BathPrivate Rental Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.2
0714
TEMP98.3℃
0℃50℃100℃
KEY MINERALS
6.2 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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Shiki Yuzawa Quattro Simple Spring
Simple SpringInfo pending
Shiki Yuzawa Quattro
四季Yuzawa QUATTRO
Niigata Yuzawa· 湯沢町温泉管理事業 第2配湯所
Snow Country Calm Spring

The No. 2 Distribution Station spring is one of the sources Yuzawa town manages and pipes to inns in Echigo-Yuzawa, the snow country made famous by Kawabata's novel. The No. 2 spring emerges at a hot 55.2°C; though a gentle simple spring with 755.1 mg/kg of total components, it carries 322.1 mg/kg of chloride. Weakly alkaline at pH 7.9 and nearly odorless, it feels soft and clinging on the skin, and suits anyone wanting an unfussy, warming soak after skiing or watching the snow.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline7.9
0714
TEMP55.2℃
0℃50℃100℃
KEY MINERALS
12.7 mg/kg

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

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

1.1 mg/kg

A trace antibacterial component that keeps skin clean.

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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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Nanakusa no Yu Sulphur Spring
Sulphur SpringSimple SpringInfo pending
Nanakusa no Yu
七草の湯
Nagano Ueda City· 別所温泉 4号源泉Bessho Onsen
Temple-Gate Silky Sulfur Spring

Bessho Onsen No.4 Source is one of the springs of Bessho Onsen, a 1,400-year-old spa some link to the "Nanakuri no yu" praised in The Pillow Book, and it is said to feed the drinking fountain at Kitamuki Kannon temple. Nearly clear, the water carries a toasty sulfur aroma and an alkaline softness that wraps the skin in a slippery smoothness. It suits travelers who want a quiet soak at the gate of an ancient temple.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.8
0714
TEMP50.4℃
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.

0.7 mg/kg

A trace antibacterial component that keeps skin clean.

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Kokoro Wo Naderu Seijaku Miyako Simple Spring
Simple SpringInfo pending
Kokoro Wo Naderu Seijaku Miyako
こころをなでる静寂 みやこ
Gifu 下呂市· 下呂温泉(送湯ポンプ所)Gero Onsen
Smooth Waters of Gero Town

Gero Onsen counts among Japan's three famous springs, and legend holds that when its waters once vanished, a white heron alighted on the Masuda riverbank to reveal a new gush. The Gero Onsen Soto pump station source draws on several centrally managed wells and sends them on to inns throughout the hot-spring town. Its pH 8.9 alkaline water glides softly over the skin and lingers as a light, refreshed feeling, soothing travelers who stroll the hot-spring town and seek gentle rest.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.9
0714
TEMP56.2℃
0℃50℃100℃
KEY MINERALS
10.3 mg/kg

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

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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Aone Onsen Yumoto Wasurezu Kaku Simple Spring
Simple SpringInfo pending
Aone Onsen Yumoto Wasurezu Kaku
青根温泉 湯元 不忘閣
Miyagi Kawasaki, Shibata District· 新名号の湯・花房の湯・新湯・山の湯源泉・蔵王の湯・大湯 混合泉
Clear Waters of the Date Clan's Palace Baths

Aone Onsen is said to have opened in 1528 and served as the palace bath of the Date clan of the Sendai domain. This 49.8°C blend of six sources flows into the tubs without added water or heating: a clear, light simple spring. With moderate sulfate and bicarbonate, it leaves the skin feeling fresh and light. Gentle and slowly warming, it suits those who wish to sink quietly into historic stone and wooden tubs in the snowy mountains of Zao.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral7.4
0714
TEMP49.8℃
0℃50℃100℃
KEY MINERALS

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

3.2 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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Asahi Resort Hotel Simple Spring
Simple SpringInfo pending
Asahi Resort Hotel
朝陽リゾートホテル
Hokkaido Kamikawa· 新銀の湯Sounkyo Onsen
Sounkyo Silver Gentle Spring

Sounkyo, the gorge of the Ishikari River, is one of Hokkaido's great mountain spa areas, fed by hot water from the volcanic Daisetsuzan range. Shingin no Yu was classified in a 2004 analysis as a simple spring with pH 6.4 and 0.514 g/kg of total components. Sodium and bicarbonate dominate, alongside 79.1 mg/kg of metasilicic acid and 80.8 mg/kg of free carbon dioxide. Gentle in composition yet carrying a faint sulfur scent, sometimes taking on a bluish tint in the bath, it is a quiet, smooth water much like the gorge itself.

Onsen RyokanPrivate Rental BathTattoo OK (public bath)
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral6.4
0714
TEMP42.7℃
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.

Softens dead skin cells for a silky bathing feel.

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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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Gero Onsen Kaiseki-yado Suihouen Simple Spring
Simple SpringInfo pending
Gero Onsen Kaiseki-yado Suihouen
下呂温泉 懐石宿 水鳳園
Gifu 下呂市· 下呂温泉(送湯ポンプ所)
Smooth Waters of Gero Town

Gero Onsen counts among Japan's three famous springs, and legend holds that when its waters once vanished, a white heron alighted on the Masuda riverbank to reveal a new gush. The Gero Onsen Soto pump station source draws on several centrally managed wells and sends them on to inns throughout the hot-spring town. Its pH 8.9 alkaline water glides softly over the skin and lingers as a light, refreshed feeling, soothing travelers who stroll the hot-spring town and seek gentle rest.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.9
0714
TEMP56.2℃
0℃50℃100℃
KEY MINERALS
10.3 mg/kg

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

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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Hakonekowakiemmikawayaryokan Simple Spring
Simple SpringVerified
Hakonekowakiemmikawayaryokan
箱根小涌園 三河屋旅館
Kanagawa Hakone· 小涌谷温泉 温泉村第59-3号、温泉村 第100号 混合泉Hakone Onsen
A Heritage Spring of Meiji Memory

Once a desolate area called "Lesser Hell," this land was renamed Kowakidani following a visit by Emperor Meiji, sparking its development as a hot spring resort. This combined source is one of several springs utilized in this historic onsen town. Developed by entrepreneurs in the Meiji era, the area saw the construction of numerous inns and villas. This very source has supplied water to accommodations throughout the Kowakidani area, laying the foundation for Hakone's modern onsen culture.

Onsen RyokanPrivate Rental BathRoom with Open-air BathTattoo OK (public bath)
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.4
0714
TEMP74℃
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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Gero Kanko Hotel Simple Spring
Simple SpringInfo pending
Gero Kanko Hotel
下呂観光ホテル
Gifu 下呂市· 下呂温泉(幸田ポンプ所)Gero Onsen
Silky Waters of the Heron

Gero Onsen counts among Japan's three famous springs, and legend holds that when its waters once vanished, a white heron alighted on the Masuda riverbank to reveal a new gush sent by the healing Buddha Yakushi. The Gero Onsen Koda pump station source gathers several centrally managed wells and sends them to inns across the Koda district. Its pH 9.4 alkaline water glides softly over the skin and lingers as a light, refreshed feeling afterward, soothing travelers who seek gentle rest.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHStrongly Alkaline9.4
0714
TEMP56℃
0℃50℃100℃
KEY MINERALS
17.0 mg/kg

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

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

Gentle antibacterial action that conditions the skin.

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Osawa Onsen Sansuikaku Simple Spring
Simple SpringVerified
Osawa Onsen Sansuikaku
大沢温泉 山水閣
Iwate 花巻市· 大沢温泉 (大沢の湯)Osawa Onsen
A beauty hot spring with a rich texture that deeply moisturizes the skin.

Osawa Onsen, a famed hot spring in Iwate reportedly beloved by author Kenji Miyazawa, draws from the "Osawa-no-Yu" source. It boasts a silky, lotion-like texture, a gift of its high alkalinity at pH 9.0. Soaking in this smooth water, like a fine lotion, gently exfoliates the skin, leaving it feeling exceptionally smooth after your bath. It's a gentle, healing spring that soothes both mind and body, perfect for those seeking a peaceful escape to unwind and care for themselves.

Onsen RyokanPrivate Rental Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHStrongly Alkaline9
0714
TEMP51.2℃
0℃50℃100℃
KEY MINERALS
5.8 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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Yamashio-kan Sulphur Spring
Sulphur SpringChloride SpringInfo pending
Yamashio-kan
山塩館
Nagano Oshika, Shimoina District· 鹿塩の湯1号
Mountain Salt Spring of the Southern Alps

The Kashio no Yu No. 1 source draws seawater-strength brine from the heart of the Southern Alps, far from any coast, and the place name Kashio, "deer salt," is said to recall deer that gathered to lick the salty water. For generations this brine has been boiled down to make mountain salt. Its dense salts and gentle sulfur aroma wrap the body, letting warmth linger long after the bath. It soothes travelers who wish to steep quietly in a rare salt spring deep in a mountain village.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline7.9
0714
TEMP12.1℃
0℃50℃100℃
KEY MINERALS

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

14840 mg/kg

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

117 mg/kg

Extremely rare in Japan. Calcium-like astringent action that tightens the skin.

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Kami no Miya Onsen Kawara Tei Chloride Spring
Chloride SpringInfo pending
Kami no Miya Onsen Kawara Tei
神の宮温泉 かわら亭
Niigata Myoko· 神の宮温泉 景虎の湯
Castle Foot Warming Salt Spring

Named after the warlord Uesugi Kagetora, who met his end at Samegao Castle, the Kagetora no Yu source was drilled in 2017 in the hills of Jinguji, Myoko, below the castle ruins. Piped from the slopes at about 39°C, its dense salty water steeps into the skin and lets warmth linger long after bathing, while iron stains the rocks reddish brown. It suits travelers tracing Sengoku-era history who want to warm up to the core on chilly days.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.1
0714
TEMP39.2℃
0℃50℃100℃
KEY MINERALS
79.7 mg/kg

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

7.2 mg/kg

Trace component with antibacterial and anti-inflammatory action.

5759 mg/kg

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

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Kinosaki Onsen Ryokan Tsubaki no Chloride Spring
Chloride SpringInfo pending
Kinosaki Onsen Ryokan Tsubaki no
城崎温泉 旅館 つばき乃
Hyogo 豊岡市· 城崎温泉 集中管理混合泉
The Town-Wide Salt Spring

Kinosaki Onsen's centrally managed mixed spring gathers water from several wells into a large storage tank, where its temperature is steadied before it flows through a looped pipe beneath the streets to the town's public bathhouses and inns. Managed as a shared resource by the Yushima property ward of Kinosaki, this faintly salty water wraps the body in warmth that lingers long after bathing, suiting travellers who stroll from bath to bath in yukata.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral7.3
0714
TEMP62.1℃
0℃50℃100℃
KEY MINERALS
70.0 Bq/kg

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

2460 mg/kg

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

8.0 mg/kg

Gentle calming action; often found alongside chloride.

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Misasa Onsen Ryokan Ohashi Radioactive Spring
Radioactive SpringChloride SpringInfo pending
Misasa Onsen Ryokan Ohashi
三朝温泉 旅館大橋
Tottori Misasa· 岩窟の湯
Misasa's Radium Spring Rising Through the Rocks

Misasa Onsen is said to have been discovered some 850 years ago when a samurai who spared a white wolf was guided to the spring in a dream, and its name is linked to the belief that "by the third morning, ailments are healed." It is known for radium springs with some of the world's highest radon levels. Gankutsu-no-Yu uses the natural rocks along the Mitoku River, and water rises on its own from the floor of each of its three tubs, sending small bubbles up around your feet.

Onsen RyokanRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral6.5
0714
TEMP62.1℃
0℃50℃100℃
KEY MINERALS
292 Bq/kg

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

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

13.0 mg/kg

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

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Nukabira Onsen Nakamuraya Chloride Spring
Chloride SpringCarbonated SpringInfo pending
Nukabira Onsen Nakamuraya
糠平温泉 中村屋
Hokkaido Kamishihoro, Kato District· ぬかびら源泉郷 鉱泉地1号
Gentle Waters of the Forest Spa Village

Nukabira Gensenkyo began in the Taisho era when water hot enough to boil eggs was found deep in a primeval forest; the name is said to come from the Ainu word "Nukabira," a cliff shaped like a person. Kosenchi No. 1 flows naturally in the south district of the spa village, sustaining the free-flowing baths that the village's inns pledged together in their 2007 "Gensen Kakenagashi Declaration." Clear and nearly tasteless and odorless, the water is gentle on the skin and leaves a light, fresh feeling, suiting those who want to soak amid forest stillness, wild deer and starry skies.

Onsen RyokanPrivate Rental Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline7.8
0714
TEMP49.8℃
0℃50℃100℃
KEY MINERALS
43.0 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.

3.0 mg/kg

A trace antibacterial component that keeps skin clean.

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Waisu Onsen Chloride Spring
Chloride SpringSulphate SpringInfo pending
Waisu Onsen
ワイス温泉
Hokkaido Kyowa· 市原2号・3号の混合
White Peak Smooth Spring

Named after a peak resembling Switzerland's Weisshorn, this spring in the hills of Kyowa was discovered in 1968 by a borehole drilled to explore metal ore deposits. As the flow declined, a 731 m No. 2 well was drilled in 1975 and an 848 m No. 3 well in 1979, and the two are now blended. The alkaline chloride-sulfate water leaves skin feeling smooth, suiting drivers on the national highway who want to soak away a long journey.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.5
0714
TEMP51.7℃
0℃50℃100℃
KEY MINERALS
7.9 mg/kg

A trace antibacterial component that keeps skin clean.

16.3 mg/kg

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

765 mg/kg

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

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Beppuonsen Kouraku Carbonated Spring
Carbonated SpringChloride SpringInfo pending
Beppuonsen Kouraku
別府温泉 ホテル好楽
Oita Beppu· 別府温泉ホテル好楽
The Spring of Beauty and Warmth

Gushing in the Kitahama area, the heart of the Beppu Onsen region renowned for Japan's largest hot spring output, this private source has a rich history. The area flourished as an entertainment district for therapeutic bathers since a regular sea route to Osaka was established in the Meiji era. The Beppu Onsen Hotel Koraku source is uniquely characterized by its dual nature as both a bicarbonate and a chloride spring. Steeping in its waters gently exfoliates the skin while a fine veil of salt locks in moisture, leaving you with a silky feel and a restorative warmth that lingers long after your bath.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral7.4
0714
TEMP50.6℃
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.

Softens dead skin cells for a silky bathing feel.

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

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Kinosaki Onsen Fugetsugyosho Chloride Spring
Chloride SpringInfo pending
Kinosaki Onsen Fugetsugyosho
城崎温泉 風月魚匠
Hyogo 豊岡市· 城崎温泉 集中管理混合泉
The Town-Wide Salt Spring

Kinosaki Onsen's centrally managed mixed spring gathers water from several wells into a large storage tank, where its temperature is steadied before it flows through a looped pipe beneath the streets to the town's public bathhouses and inns. Managed as a shared resource by the Yushima property ward of Kinosaki, this faintly salty water wraps the body in warmth that lingers long after bathing, suiting travellers who stroll from bath to bath in yukata.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral7.3
0714
TEMP62.1℃
0℃50℃100℃
KEY MINERALS
70.0 Bq/kg

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

2460 mg/kg

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

8.0 mg/kg

Gentle calming action; often found alongside chloride.

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Kusatsuonsen Bouun Acidic Spring
Acidic SpringChloride SpringSulphate SpringVerified
Kusatsuonsen Bouun
望雲
Gunma Kusatsu· 万代鉱 他 1 件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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Nishimura-ya Hotel Shogetsutei Chloride Spring
Chloride SpringInfo pending
Nishimura-ya Hotel Shogetsutei
西村屋ホテル招月庭
Hyogo 豊岡市· 城崎温泉 集中管理混合泉Kinosaki Onsen
The Town-Wide Salt Spring

Kinosaki Onsen's centrally managed mixed spring gathers water from several wells into a large storage tank, where its temperature is steadied before it flows through a looped pipe beneath the streets to the town's public bathhouses and inns. Managed as a shared resource by the Yushima property ward of Kinosaki, this faintly salty water wraps the body in warmth that lingers long after bathing, suiting travellers who stroll from bath to bath in yukata.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral7.3
0714
TEMP62.1℃
0℃50℃100℃
KEY MINERALS
70.0 Bq/kg

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

2460 mg/kg

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

8.0 mg/kg

Gentle calming action; often found alongside chloride.

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Sengokuharaonsen Senkyourou Acidic Spring
Acidic SpringSulphate SpringChloride SpringVerified
Sengokuharaonsen Senkyourou
仙郷楼
Kanagawa Hakone· 大涌谷温泉 蒸気造成混合泉
Owakudani's Earthly Pulse

Originating from the fumaroles of Owakudani, born from the eruption of Hakone volcano approximately 3,000 years ago, this artificially developed hot spring began to be supplied to Sengokuhara and Gora by Hakone Onsen Kyokyu Co., Ltd. in Showa 5 (1930). Its renowned milky white waters, blended with naturally gushing spring water, offer a pleasant sensation that tightens the skin and a powerful restorative warmth that penetrates deep into the body's core. After bathing, you'll feel surprisingly refreshed and light. It's a perfect companion when you seek to feel the Earth's energy and achieve deep relaxation and rejuvenation for your 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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Naraya Sulphur Spring
Sulphur SpringAcidic SpringChloride SpringSulphate SpringInfo pending
Naraya
奈良屋
Gunma 草津町· 白旗源泉Kusatsu 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 RyokanPrivate Rental BathRoom with Open-air BathTattoo OK (public bath)
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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Nyuto Onsen Go no Tsuru no Yu Onsen Sulphur Spring
Sulphur SpringChloride SpringCarbonated SpringInfo pending
Nyuto Onsen Go no Tsuru no Yu Onsen
乳頭温泉郷の鶴の湯温泉
Akita Semboku· 黒湯 他 3 件Nyuto Onsen-go
The Deep-Warming Spring of Fertility Lore

Kuroyu is one of four springs of differing character that rise within about 50 meters of one another at Yunotai, said to be the oldest bathing ground of Nyuto Onsen. Long called the "warm-pool spring" and the "spring of fertility," it has the highest chloride content of the four, so a soak warms you to the core and the heat lingers long afterward. The cloudy, sulfur-scented water comes up hot and is tempered with fresh water in some seasons, a robust spring that shows its true worth during deep-snow winter stays.

Onsen RyokanPrivate Rental Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral6.8
0714
TEMP58.7℃
0℃50℃100℃
KEY MINERALS

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

51.1 mg/kg

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

1068 mg/kg

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

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Tennenonsen Arisutonhoteruooita Carbonated Spring
Carbonated SpringInfo pending
Tennenonsen Arisutonhoteruooita
天然温泉 アリストンホテル大分
Oita Oita· アリストンホテル大分
Urban Amber Beauty Spring

Drawn from 700 meters beneath the center of Oita City, this private source is a true urban oasis. The Ariston Hotel Oita source boasts a pH of 8.6 and abundant bicarbonate ions, which gently exfoliate the skin, leaving it remarkably smooth. Its amber-hued waters invite deep relaxation, melting away the day's fatigue. It is perfect for those seeking to refresh and rejuvenate after a day of business or sightseeing.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.6
0714
TEMP52.1℃
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.

3.4 mg/kg

A trace antibacterial component that keeps skin clean.

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Ramune Onsen Kan Carbon Dioxide Spring
Carbon Dioxide SpringCarbonated SpringInfo pending
Ramune Onsen Kan
ラムネ温泉館
Oita Taketa City· にごり湯 他 1 件Nagayu Onsen
Tea-Brown Carbonated Spring

Nigoriyu bubbles up beside the Seri River in Nagayu Onsen, a village famed for carbonated springs, and was once known as the "high-temperature Ramune spring." Clear at the source, its iron content oxidizes into a tea-brown cloud in the bath, giving the spring its name. Around 40°C, the water lingers on the skin with fine bubbles and a silky, clinging feel, suiting bathers who want a long, gentle soak.

Onsen RyokanPrivate Rental Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral6.4
0714
TEMP40.9℃
0℃50℃100℃
KEY MINERALS
1920 mg/kg

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

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

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

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Libmax Resort Kaga Yamashiro Sulphate Spring
Sulphate SpringInfo pending
Libmax Resort Kaga Yamashiro
リブマックスリゾート加賀山代
Ishikawa Kaga City· 山代温泉(7号源泉、8号源泉)
Kutani Country Warmth

Yamashiro Onsen, said to have been opened by the monk Gyoki some 1,300 years ago, draws this water from two wells: the No. 7 source gushing in Katsuradani-machi and the No. 8 source in Yamato-machi, blended at a relay tank in the town. The Yamashiro No. 7 and No. 8 blend is clear, gently alkaline and rich in sulfate, calcium and sodium, a soak whose warmth lingers long after bathing, well suited to travellers unwinding after a day among Kutani pottery studios.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.3
0714
TEMP46.4℃
0℃50℃100℃
KEY MINERALS
2.2 mg/kg

A trace antibacterial component that keeps skin clean.

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

757 mg/kg

Soothes the skin and gently improves circulation.

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Shin Takayyu Onsen Azumaya Ryokan Sulphate Spring
Sulphate SpringInfo pending
Shin Takayyu Onsen Azumaya Ryokan
新高湯温泉 吾妻屋旅館
Yamagata Yonezawa· 安部源泉
Azuma Mountain White Bloom Spring

This spring rises deep in the Azuma mountains at about 1,100 m, reached by a mountain road climbing beyond Shirabu Onsen from Yonezawa. Counted among Yonezawa's eight hot springs, it sits in a valley near the headwaters of the Mogami River, where bathers gaze at waterfalls and ridgelines from open-air pools. Rich in calcium, the water leaves white mineral flakes on the tub floor and feels soft and smooth, ideal for those who want to savor mountain scenery in secluded quiet.

Onsen RyokanPrivate Rental Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral7.1
0714
TEMP50.7℃
0℃50℃100℃
KEY MINERALS
1.6 mg/kg

A trace antibacterial component that keeps skin clean.

755 mg/kg

Soothes the skin and gently improves circulation.

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

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Kyowa Onsen Carbon Dioxide Spring
Carbon Dioxide SpringInfo pending
Kyowa Onsen
協和温泉
Hokkaido Aibetsu, Kamikawa District· 協和温泉(長寿湯、協和湯 混合泉)
Sparkling Cold Mineral Spring in Mushroom Country

Kyowa Onsen opened in 1969 in Aibetsu, a town known for mushrooms. Its two sources, Chojuyu and Kyowayu, rise from the same spot and carry more than 1,800 mg/kg of free carbon dioxide, a rarity in Hokkaido. Because boiling would drive off the gas and alter the minerals, the inn pours the source straight from the tap into a small tub and adds hot water to reach bathing temperature, letting it flow without recirculation. The iron-tinged, yellowish water leaves fine bubbles on the skin for a smooth feel.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHAcidic5.8
0714
TEMP9.5℃
0℃50℃100℃
KEY MINERALS

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.

Softens dead skin cells for a silky bathing feel.

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Sengakukan Carbon Dioxide Spring
Carbon Dioxide SpringInfo pending
Sengakukan
泉岳舘
Gifu Gero City· 泉岳舘泉
The Fizzing Spring of Hida-Osaka

At the foot of Mt. Ontake, Yuya Onsen in Hida-Osaka is said to have served bathers for some three centuries, and locals still repeat the saying that carbonated spring water beats stomach medicine. Pumped from underground at around 12°C, the cold mineral water is rich in carbon dioxide and tastes like soda. Its iron content sends fine brown flakes drifting through the bath and gives the water a smooth, slightly slick feel. Carbon dioxide springs are rare in Japan, making this one a true local character.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHAcidic5.7
0714
TEMP12.2℃
0℃50℃100℃
KEY MINERALS

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

13.7 mg/kg

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

Softens dead skin cells for a silky bathing feel.

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Ryuno Yu Onsen Ferruginous Spring
Ferruginous SpringInfo pending
Ryuno Yu Onsen
龍乃湯温泉
Hokkaido Asahikawa· 龍乃湯温泉
Dragon-Dream Iron Spring

Local lore says this spring was found after a dream of the dragon god of a nearby shrine declaring that hot water lay beneath Higashiasahikawa. Clear at the wellhead, its abundant iron oxidizes in air, turning the bath an ochre hue with a distinctly squeaky, metallic feel on the skin.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral6.4
0714
TEMP9.4℃
0℃50℃100℃
KEY MINERALS
23.2 mg/kg

An iron-rich spring whose water turns yellow-brown to red-brown when exposed to air. Strong heat retention.

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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Souunkaku Sulphur Spring
Sulphur SpringInfo pending
Souunkaku
層雲閣
Hokkaido Kamikawa· 層雲峡温泉 桂の湯1・2・3混合Sounkyo Onsen
Gentle Sulfur of the Gorge

Sounkyo Onsen traces its roots to the Shioya hot spring opened beside the Ishikari River in the early Taisho era. The Katsura no Yu 1-2-3 mixed source wells up naturally at about 79°C from only two meters underground, is stored in a tank and piped along the mountainside to the baths. Softly scented with sulfur and silky on the skin, it leaves bathers feeling light, a fine companion for travelers unwinding beneath the gorge's towering cliffs.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
TEMP78.8℃
0℃50℃100℃
KEY MINERALS
15.4 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.

Softens dead skin cells for a silky bathing feel.

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Deiroyu Onsen Okuyama Ryokan Sulphur Spring
Sulphur SpringInfo pending
Deiroyu Onsen Okuyama Ryokan
泥湯温泉 奥山旅館
Akita Yuzawa· 天狗の湯 他 1 件
The Legendary Spring Clouded by a Tengu

Tengu no Yu gushes naturally in the mountain hollow of Doroyu Onsen, a spa said to have opened in the early Heian period. Its name comes from a legend: a sick maiden too shy to bathe in clear water was helped by a tengu who clouded the spring white, and she was healed after soaking in it. The Tengu no Yu source swirls with white mineral flakes and mud-like sediment, leaving the skin feeling soft and supple, a steeping place for anyone who loves cloudy, remote hot springs.

Onsen Ryokan
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHAcidic3.7
0714
TEMP71.9℃
0℃50℃100℃
KEY MINERALS
3.0 mg/kg

Tightens the skin and balances sebum.

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

The aroma typical of sulfur springs, with circulatory and antibacterial effects.

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Murasugi Onsen Kadoya Ryokan Radioactive Spring
Radioactive SpringInfo pending
Murasugi Onsen Kadoya Ryokan
村杉温泉 角屋旅館
Niigata 阿賀野市· 薬師乃湯 3号井
Radium Waters of the Healing Buddha's Dream

Murasugi Onsen is said to have been found in 1335, when Araki Masataka, a retainer of the Ashikaga clan fleeing war, dreamed of the Healing Buddha seven nights in a row, giving the spa some 700 years of history. Yakushinoyu No. 3 Well carries that name, gushing from a drilled well in Murasugi and supplying the inns of the spa town. Known since the Taisho era for its rich radon, the clear, mild water seems ordinary, yet soaking and breathing its steam lets a gentle warmth spread from within, suiting anyone seeking an unhurried toji stay among quiet cedar groves.

Onsen RyokanPrivate Rental BathRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.6
0714
TEMP25.2℃
0℃50℃100℃
KEY MINERALS
505 Bq/kg

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

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

0.6 mg/kg

A trace antibacterial component that keeps skin clean.

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