Susobanakyo Tennen Onsen Yado Uruoikan
Nagano, Nagano, Japan
Illustration photo — not a verified picture of this exact spot.
- Location
- Nagano, Nagano, Japan
- Water type
- bicarbonate, thermal
- Temperature
- 42 °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
Susobanakyo Tennen Onsen Yado Uruoikan, in Nagano, Japan, offers bicarbonate thermal water at 42°C and pH 8, mildly alkaline. The inn features an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — Nestled in the Susobana gorge of Nagano, this inn-style onsen offers natural hot spring baths surrounded by rugged mountain scenery. The bicarbonate-rich waters are smooth on the skin and ideal for recuperation after mountain hiking.
Nearby
Frequently asked questions
How hot is the water?
The water runs quite hot here, around 42 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features bicarbonate & thermal water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.