On-site natural hot spring
TypeNatural Hot Spring
An alkaline simple hot spring that wells up from the property. In addition to open-air baths and the main public bath, there is also a 32°C source lukewarm bath next to the cold plunge.
Enjoy the on-site natural hot spring and the medicinal stone bath Arashi no Yu
Yamanashi Fuefuki City
Isawa Meitoukan Itoyanagi in Isawa-cho, Fuefuki City is a long-established ryokan with over 100 years of history that also offers its proud hot springs for day-use. The on-site 100% source alkaline simple hot spring leaves skin smooth, earning a reputation as a beauty-enhancing bath. The large public bath features a dry sauna, and right beside the sauna room are a cold plunge bath and a 32°C source lukewarm bath, allowing for an exquisite alternating hot-and-cold bathing experience. The natural hot spring medicinal stone bath Arashi no Yu, which uses 15 types of medicinal stones, is also popular (additional fee).
TypeNatural Hot Spring
An alkaline simple hot spring that wells up from the property. In addition to open-air baths and the main public bath, there is also a 32°C source lukewarm bath next to the cold plunge.
Sauna TypeDry Sauna
Stove Typestone
Capacity5people
Stone-convection dry sauna. A quiet space without TV or background music where you can take your time sweating and reflect.
Water Qualitytap
Capacity1people
A compact cold plunge bath located right next to the sauna room. It feels around 18°C–20°C for a comfortable cooldown.
Closed Days: Sunday, Holiday, Saturday
Arashi no Yu, inside the building, 13-8 Ekimae, Isawa-cho, Fuefuki City, Yamanashi 406-0028, 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
Enjoy the on-site natural hot spring and the medicinal stone bath Arashi no Yu
Yamanashi Fuefuki City
Isawa Meitoukan Itoyanagi in Isawa-cho, Fuefuki City is a long-established ryokan with over 100 years of history that also offers its proud hot springs for day-use. The on-site 100% source alkaline simple hot spring leaves skin smooth, earning a reputation as a beauty-enhancing bath. The large public bath features a dry sauna, and right beside the sauna room are a cold plunge bath and a 32°C source lukewarm bath, allowing for an exquisite alternating hot-and-cold bathing experience. The natural hot spring medicinal stone bath Arashi no Yu, which uses 15 types of medicinal stones, is also popular (additional fee).
TypeNatural Hot Spring
An alkaline simple hot spring that wells up from the property. In addition to open-air baths and the main public bath, there is also a 32°C source lukewarm bath next to the cold plunge.
Sauna TypeDry Sauna
Stove Typestone
Capacity5people
Stone-convection dry sauna. A quiet space without TV or background music where you can take your time sweating and reflect.
Water Qualitytap
Capacity1people
A compact cold plunge bath located right next to the sauna room. It feels around 18°C–20°C for a comfortable cooldown.
Closed Days: Sunday, Holiday, Saturday
Arashi no Yu, inside the building, 13-8 Ekimae, Isawa-cho, Fuefuki City, Yamanashi 406-0028, 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