Variety of Baths
TypeNatural Hot Spring
Enjoy many types of baths including open-air baths, a nano-bubble carbonated spring, a natural radium stone bath, and herbal baths.
Open 24 hours! A theme park of diverse saunas and baths
Yamanashi Fuefuki City
Isawa Health Land in Fuefuki is a comprehensive bathing facility open 24 hours with accommodation available. Its biggest feature is the wide variety of baths and saunas, totaling as many as 24 different types. You can choose a sauna to suit your mood, including a 100℃ hot-air sauna, a salt sauna, and a mugwort mist sauna. The cold plunge bath is chilled by a chiller to 12℃〜16℃, quickly tightening the body heated by the sauna. Dining and relaxation facilities are also well equipped, so you can stay all day and refresh both body and mind.
TypeNatural Hot Spring
Enjoy many types of baths including open-air baths, a nano-bubble carbonated spring, a natural radium stone bath, and herbal baths.
Sauna TypeDry Sauna
Stove Typestone
Capacity20people
A spacious high-temperature sauna around 100℃. Regular automatic löyly sessions maintain humidity, allowing you to sweat thoroughly.
Sauna TypeSteam Sauna
Capacity5people
A mist sauna scented with mugwort. The abundant steam warms you while moisturizing skin and hair.
Sauna TypeDry Sauna
Capacity6people
A sauna where salt is applied to the body to promote sweating. It can help remove dirt from pores and leave the skin smooth.
Water Qualitytap
Capacity4people
A deep cold plunge bath chilled by a chiller to 12℃〜16℃. It quickly cools down the body heated by the high-temperature sauna.
24 Hours
Closed Days: Unknown
868 Matsumoto, Isawa-cho, Fuefuki, Yamanashi 406-0021, 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 moreOpen 24 hours! A theme park of diverse saunas and baths
Yamanashi Fuefuki City
Isawa Health Land in Fuefuki is a comprehensive bathing facility open 24 hours with accommodation available. Its biggest feature is the wide variety of baths and saunas, totaling as many as 24 different types. You can choose a sauna to suit your mood, including a 100℃ hot-air sauna, a salt sauna, and a mugwort mist sauna. The cold plunge bath is chilled by a chiller to 12℃〜16℃, quickly tightening the body heated by the sauna. Dining and relaxation facilities are also well equipped, so you can stay all day and refresh both body and mind.
TypeNatural Hot Spring
Enjoy many types of baths including open-air baths, a nano-bubble carbonated spring, a natural radium stone bath, and herbal baths.
Sauna TypeDry Sauna
Stove Typestone
Capacity20people
A spacious high-temperature sauna around 100℃. Regular automatic löyly sessions maintain humidity, allowing you to sweat thoroughly.
Sauna TypeSteam Sauna
Capacity5people
A mist sauna scented with mugwort. The abundant steam warms you while moisturizing skin and hair.
Sauna TypeDry Sauna
Capacity6people
A sauna where salt is applied to the body to promote sweating. It can help remove dirt from pores and leave the skin smooth.
Water Qualitytap
Capacity4people
A deep cold plunge bath chilled by a chiller to 12℃〜16℃. It quickly cools down the body heated by the high-temperature sauna.
24 Hours
Closed Days: Unknown
868 Matsumoto, Isawa-cho, Fuefuki, Yamanashi 406-0021, 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