Recommended onsen in Kanagawa

8 picks ranked from onsen analysis-sheet data (official, verified and free-flowing sources prioritised)

Try your own diagnosis
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
TEMP56.2
KEY MINERALS
30.4 mg/kg
559 mg/kg
Check Availability & Rates
PRIncludes affiliate links
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
TEMP45.5
KEY MINERALS
Check Availability & Rates
PRIncludes affiliate links
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
TEMP60.6
KEY MINERALS
7.5 mg/kg
14.2 mg/kg
Check Availability & Rates
PRIncludes affiliate links
Hakonekowakien Tenyuu Chloride Spring
Chloride SpringVerified
Hakonekowakien Tenyuu
箱根小涌園 天悠
Kanagawa Hakone· 小涌園供給温泉Hakone Onsen
The Bountiful Spring of Kowakidani

The Kowakien Kyokyu Onsen is a steam-generated spring developed since 1949 to supply the Hakone Kowakien resort area. It utilizes geothermal heat from former fumarolic activity along the Kurumazawa stream, a tributary of the Jakotsu River, blending multiple sources and natural spring water. This source is widely distributed to the various facilities of the Hakone Kowakien resort, operated by Fujita Kanko, forming the foundation of the entire resort.

Onsen RyokanRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHNeutral7.4
TEMP76.5
KEY MINERALS
Check Availability & Rates
PRIncludes affiliate links
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
TEMP42.4
KEY MINERALS
Check Availability & Rates
PRIncludes affiliate links
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
TEMP60.8
KEY MINERALS
22.3 mg/kg
510 mg/kg
Check Availability & Rates
PRIncludes affiliate links
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
TEMP60.6
KEY MINERALS
7.5 mg/kg
14.2 mg/kg
Check Availability & Rates
PRIncludes affiliate links
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
TEMP74
KEY MINERALS
Check Availability & Rates
PRIncludes affiliate links

About onsen in Kanagawa

The benefits of an onsen vary by spring type. Kanagawa has a wide variety of spring types, each with different characteristics. my Onsen Techo ranks the onsen best suited to your symptom and area based on analysis-sheet data, which is mandated for display under Article 18 of Japan's Hot Spring Act. Each onsen page shows mineral visualisations, bathing tips and booking options.