Kojohama Onsen Hotel; Nukumori no Yu
Shiraoi, Hokkaido, Japan
- Location
- Shiraoi, Hokkaido, Japan
- Water type
- sodium chloride, thermal
- Temperature
- 41 °C
- pH
- 7.3
Water profile
Thermicity
Sedative
LowHigh
Relaxing — deep, immediate muscle release.
Mineralisation
Restorative
LowHigh
Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Nukumori no Yu, at the Kojohama Onsen Hotel in Shiraoi, Hokkaido, facing the Pacific Ocean, heats sodium-chloride thermal water to 41°C, with an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — 'Nukumori no Yu' (warmth waters) at Kojohama Onsen Hotel in Shiraoi, Hokkaido — the town now home to the landmark Upopoy National Ainu Museum. The coastal setting on the Pacific gives outdoor baths a special atmosphere. Combine with the museum's profound introduction to Ainu culture and history.
Nearby
Frequently asked questions
How hot is the water?
The water runs quite hot here, around 41 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features sodium chloride & thermal water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.