Ryugakubo Onsen Ryujin no Yakata
Tsunan, Niigata, Japan
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- Location
- Tsunan, Niigata, Japan
- Water type
- sodium chloride
- 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
Ryugakubo Onsen Ryujin no Yakata, in the village of Tsunan, Niigata, relies on sodium-chloride water at 41°C, with an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — Tsunan is one of Japan's snowiest areas, buried under several metres of snowfall each winter. Ryugakubo Onsen's dragon-palace name evokes the mythical undersea palace — fitting for a bath that feels like refuge from the elements.
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 water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.