Natural hot spring
TypeNatural Hot Spring
A highly concentrated sodium-calcium chloride hot spring. A variety of baths are available, including outdoor baths, jet baths, waterfall-style baths, and reclining baths.
A highly concentrated chloride spring that warms you to the core and well-equipped saunas
Yamanashi Fujikawa Town
Kajika no Yu in Fujikawa Town (Koshu Kajikazawa Onsen) is a day-use hot spring facility proud of its highly concentrated sodium-calcium chloride spring that wells up from 1,400 m underground. The mineral content is so rich that you can taste the salt if you lick it, and the water helps you retain warmth after bathing. In addition to spacious indoor baths and outdoor baths, the facility features a high-temperature dry sauna and a cold plunge bath. After the sauna, you can enjoy outdoor relaxation on benches in the open-air area while breathing the clear air at the foothills of the Southern Alps.
TypeNatural Hot Spring
A highly concentrated sodium-calcium chloride hot spring. A variety of baths are available, including outdoor baths, jet baths, waterfall-style baths, and reclining baths.
Sauna TypeDry Sauna
Stove Typeelectric
Capacity8people
Dry sauna with temperatures of 85-95°C. The dry heat makes you sweat thoroughly.
Water Qualitytap
Capacity3people
A cold plunge bath continuously supplied with tap water. The water temperature is around 20°C, offering a mild chill suitable for long soaks.
Closed Days: Thursday
137-1 Toriya, Fujikawa-cho, Minamikoma-gun, Yamanashi 400-0607, Japan
Gender Access
Gender Separated

Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.
Learn more
A highly concentrated chloride spring that warms you to the core and well-equipped saunas
Yamanashi Fujikawa Town
Kajika no Yu in Fujikawa Town (Koshu Kajikazawa Onsen) is a day-use hot spring facility proud of its highly concentrated sodium-calcium chloride spring that wells up from 1,400 m underground. The mineral content is so rich that you can taste the salt if you lick it, and the water helps you retain warmth after bathing. In addition to spacious indoor baths and outdoor baths, the facility features a high-temperature dry sauna and a cold plunge bath. After the sauna, you can enjoy outdoor relaxation on benches in the open-air area while breathing the clear air at the foothills of the Southern Alps.
TypeNatural Hot Spring
A highly concentrated sodium-calcium chloride hot spring. A variety of baths are available, including outdoor baths, jet baths, waterfall-style baths, and reclining baths.
Sauna TypeDry Sauna
Stove Typeelectric
Capacity8people
Dry sauna with temperatures of 85-95°C. The dry heat makes you sweat thoroughly.
Water Qualitytap
Capacity3people
A cold plunge bath continuously supplied with tap water. The water temperature is around 20°C, offering a mild chill suitable for long soaks.
Closed Days: Thursday
137-1 Toriya, Fujikawa-cho, Minamikoma-gun, Yamanashi 400-0607, Japan
Gender Access
Gender Separated

Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.
Learn more