Nirasaki Asahi Onsen; Nirasaki Asahi no Yu
Nirasaki, Yamanashi, Japan
- Location
- Nirasaki, 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
Nirasaki Asahi Onsen is located in Nirasaki, Yamanashi prefecture, at the foot of the Japanese Alps. Bicarbonate water with a pH of 8 flows here at 40°C between an indoor bath and a rotenburo, with an on-site sauna.
Insider tip — Nirasaki Asahi Onsen is a hillside spa facility in the Nirasaki area of Yamanashi Prefecture, with views toward the Southern Alps. The bicarbonate-rich waters are gentle on skin and particularly popular with hikers descending from the Yatsugatake or Kai Alps trails. The Asahi branding refers to the morning sun that illuminates the mountain range from the bath windows. A perfect recovery stop after tackling high-altitude peaks in the surrounding ranges.
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 (idéal automne-hiver).