Shingen-no-Yu Yumura Onsen
- Location
- Kofu, Yamanashi Prefecture, Japan
- Water type
- calcium-rich
- Temperature
- 42 °C
- pH
- 7.3
Water profile
Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Soft water — natural, classic buoyancy.
Shingen-no-Yu Yumura Onsen carries the name of Takeda Shingen—the sixteenth-century warlord of Kai Province whose legendary campaigns reshaped the Warring States era of Japanese history—honoring the tradition that his samurai forces used these thermal waters for battle-wound recovery during the brutal conflicts of the 1550s and 1560s. Set in Yamanashi Prefecture, former Kai Province, the spring's sulfated and simple waters flow through a landscape still marked by the legacy of Japan's feudal period, where mountain fortresses and hot spring inns share the same dramatic terrain beneath the Southern Alps. Bathing here connects visitors to the strategic and restorative importance that thermal springs held in Japan's medieval military culture.