Natural hot spring
TypeNatural Hot Spring
A sodium chloride, bicarbonate, and sulfate hot spring. There are indoor baths and an open-air bath, and the waters are known for retaining heat well.
Natural hot spring with excellent access adjacent to a roadside station
Yamanashi Hokuto City
Longevity Hot Spring Enmei no Yu is a natural hot spring located inside Roadside Station Kobuchisawa in Kobuchisawa, Hokuto, Yamanashi. The spring, drawn from 1,500 meters underground, is rich in minerals that refresh both body and mind. In addition to spacious communal indoor baths and an open-air bath where you can feel nature, the facility also features a sauna and a cold plunge bath. After a sauna session you can enjoy an outdoor cool-down on benches in the open-air area.
TypeNatural Hot Spring
A sodium chloride, bicarbonate, and sulfate hot spring. There are indoor baths and an open-air bath, and the waters are known for retaining heat well.
Sauna TypeDry Sauna
Capacity5people
A compact dry sauna with a capacity for 5 people. It is moderately hot and lets you work up a good sweat.
Water Qualitytap
Capacity2people
A cold plunge bath located immediately outside the sauna. It is very cold and quickly tightens the body after a sauna session.
Closed Days: None
5F, 2968-1 Kobuchisawa, Hokuto, Yamanashi 408-0044, 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 moreNatural hot spring with excellent access adjacent to a roadside station
Yamanashi Hokuto City
Longevity Hot Spring Enmei no Yu is a natural hot spring located inside Roadside Station Kobuchisawa in Kobuchisawa, Hokuto, Yamanashi. The spring, drawn from 1,500 meters underground, is rich in minerals that refresh both body and mind. In addition to spacious communal indoor baths and an open-air bath where you can feel nature, the facility also features a sauna and a cold plunge bath. After a sauna session you can enjoy an outdoor cool-down on benches in the open-air area.
TypeNatural Hot Spring
A sodium chloride, bicarbonate, and sulfate hot spring. There are indoor baths and an open-air bath, and the waters are known for retaining heat well.
Sauna TypeDry Sauna
Capacity5people
A compact dry sauna with a capacity for 5 people. It is moderately hot and lets you work up a good sweat.
Water Qualitytap
Capacity2people
A cold plunge bath located immediately outside the sauna. It is very cold and quickly tightens the body after a sauna session.
Closed Days: None
5F, 2968-1 Kobuchisawa, Hokuto, Yamanashi 408-0044, 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