Obuse Onsen Akebi no Yu
Obuse, Nagano, Japan
- Location
- Obuse, Nagano, Japan
- Water type
- thermal, 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
Obuse Onsen Akebi no Yu, in the town of Obuse, Nagano, heats bicarbonate thermal water to around 40°C (104°F). An indoor bath, an outdoor rotenburo and a sauna are available on site.
Insider tip — 'Akebi no Yu' (chocolate-vine waters) is an onsen in Obuse-machi, one of Nagano's most charming small towns — famed for its Hokusai museum, chestnut sweets, and preserved merchant quarter. Soaking here after an afternoon of gallery hopping and kuri-yokan tasting is a perfect Nagano day.
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 thermal & bicarbonate water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.