Motoyu Hakoyama Onsen
Yamanouchi, Nagano, Japan
- Location
- Yamanouchi, Nagano, Japan
- Water type
- sulfurous, sodium chloride
- Temperature
- 52 °C
- pH
- 6.5
Water profile
Thermicity
Sedative
LowHigh
Relaxing — deep, immediate muscle release.
Mineralisation
Bio-active
LowHigh
Rich in active gases or metals — a strong mineral character.
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SoufreSulfuresSulfates
Motoyu Hakoyama Onsen, in Yamanouchi, Nagano Prefecture, draws sulfurous, sodium-chloride water at a high temperature of around 52°C, with an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — 'Motoyu' (original/first spring) Hakoyama Onsen in Yamanouchi — the onsen town home to Snow Monkeys and the celebrated Shibu Onsen district. 'Motoyu' denotes the primary source spring, often the most prized water. 'Hakoyama' (box mountain) references the surrounding peaks of the Joshinetsu highlands.
Nearby
Frequently asked questions
How hot is the water?
The water runs quite hot here, around 52 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features sulfurous & sodium chloride water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.