Best onsen for Wound Healing in Yamanashi

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

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Kami no Yu Onsen Chloride Spring
Chloride SpringInfo pending
Kami no Yu Onsen
神の湯温泉
Yamanashi Kai· 神の湯
Oracle Spring of Kofu Basin

Local lore says this spring was found in 1972 after a divine revelation, a story preserved in its name. Pumped from deep beneath a hillside facing Mt. Fuji and the Kofu Basin, the sodium chloride water is mildly alkaline and smooth, with a faint brown tint and a hint of sulfur, combining lasting warmth with a gentle feel on the skin.

Onsen RyokanPrivate Rental BathRoom with Open-air BathTattoo OK (public bath)
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.4
0714
TEMP46.4℃
0℃50℃100℃
KEY MINERALS
23.8 Bq/kg

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

8.3 mg/kg

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

19.9 mg/kg

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

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Asahi Onsen Chloride Spring
Chloride SpringCarbonated SpringInfo pending
Asahi Onsen
韮崎旭温泉;韮崎旭の湯
Yamanashi Nirasaki, Yamanashi· あさひ温泉
Gentle healing spring

Asahi Onsen, nestled in Nirasaki City's hilly terrain overlooking the magnificent Southern Alps, offers a truly soothing experience. Its lukewarm waters, at 38.2°C, are celebrated for their silky skin-beautifying texture and a unique salt veil that provides restorative warmth, deeply penetrating the body. A long, unhurried soak here allows for deep relaxation, gently unwinding daily tensions. Embraced by lasting warmth even after bathing, this locally rooted healing spring is perfect for those seeking to reset their mind and body away from the daily hustle.

Day-use Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline7.9
0714
TEMP38.2℃
0℃50℃100℃
KEY MINERALS

Softens dead skin cells for a silky bathing feel.

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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Naradanosato Hot Spring Empress Bath Chloride Spring
Chloride SpringCarbonated SpringInfo pending
Naradanosato Hot Spring Empress Bath
奈良田温泉 女帝の湯
Yamanashi Hayakawa, Minamikoma District· 奈良田の里温泉
Hidden Empress Legend Spring

Naradanosato Onsen bubbles up in Narada, a secluded village at the foot of the Southern Alps. Legend holds that Empress Koken, who lived here for eight years in the Nara period, recovered her health by bathing, and that the sacred spring where she washed her robes became this source. The Naradanosato source soothes with a gentle, silky alkaline touch that lingers softly on the skin.

Day-use Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.8
0714
TEMP41.3℃
0℃50℃100℃
KEY MINERALS
10.3 mg/kg

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

21.9 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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Kotsuki no Yu Sulphate Spring
Sulphate SpringSimple SpringInfo pending
Kotsuki no Yu
奥湯村温泉;紅椿の湯
Yamanashi Michi Village, Minamitsuru District· 紅椿の湯(冷泉)
Moisturizing cold spring

Welling from Kotsuki in Michi Village, this registered spring offers a gentle experience. As a hypotonic alkaline sulfate spring, it moisturizes skin effectively. The cool temperature brings mental clarity, making it ideal for those seeking deep relaxation and silky skin.

Day-use Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.7
0714
TEMP13.8℃
0℃50℃100℃
KEY MINERALS
1180 mg/kg

Soothes the skin and gently improves circulation.

321 mg/kg

Gentle astringent action that conditions the skin.

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

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Choose a ryokan in Yamanashi

Why onsen are considered good for Wound Healing

The benefits of an onsen vary by spring type. Certain spring types are traditionally considered good for Wound Healing, and the corresponding indications are listed in the legally required onsen analysis sheets. 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.