Nishiyama Onsen; Yushima no Yu
Hayakawa, Yamanashi, Japan
- Location
- Hayakawa, Yamanashi, Japan
- Water type
- bicarbonate
- Temperature
- 40 °C
- pH
- 8
Water profile
Thermicity
Sedative
LowHigh
Relaxing — deep, immediate muscle release.
Mineralisation
Restorative
LowHigh
Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
In Hayakawa, Yamanashi Prefecture, Yushima no Yu delivers bicarbonate water at 40°C in a mountain setting. Indoor bath, outdoor rotenburo and sauna round out the facility.
Insider tip — Yushima no Yu serves Nishiyama Onsen in Hayakawa-cho near the Keiunkan Ryokan — certified by Guinness World Records as the world's oldest continuously operating hotel, maintained by the same Fujiwara family since 705 CE. The Nishiyama Onsen district deep in the Southern Alps gorge country of Yamanashi has sheltered travelers in these extreme mountain conditions for over 1,300 years.
Nearby
Frequently asked questions
How hot is the water?
The water runs quite hot here, around 40 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features bicarbonate water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.