Kai Onsen Yamanashi
- Location
- Kai, Yamanashi Prefecture, Japan
- Water type
- bicarbonate
- Temperature
- 40 °C
- pH
- 8
Water profile
Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Soft water — natural, classic buoyancy.
Kai, a large municipality in central Yamanashi Prefecture adjacent to Kofu city, sits in the Kofu basin surrounded on three sides by dramatic mountain scenery — the Southern Alps to the west, the Yatsugatake highlands to the north, and Mount Fuji visible to the southeast — creating one of Honshu's most spectacular enclosed mountain basin landscapes. Kai Onsen Yamanashi draws on sodium and bicarbonate thermal waters from the geothermal resources of the Kofu basin volcanic zone, offering relaxing baths in a municipality where the wine and peach heritage of Yamanashi Prefecture's renowned Koshu wine country creates an outstanding pairing opportunity with thermal relaxation. The Kai Zenkoji Temple, the Shingen Takeda feudal legacy of one of Japan's most brilliant military commanders who made the Kofu basin his domain, and the spectacular mountain panoramas of the Yamanashi valley make Kai a culturally and scenically rewarding thermal destination in the heart of Yamanashi wine country.