Aikawa Onsen 'Sado no Takara Wide Blue'
Sado, Niigata, Japan
- Location
- Sado, 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
On Sado Island, Niigata Prefecture, Aikawa Onsen 'Sado no Takara Wide Blue' draws sodium-chloride water at 41°C, complemented by an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — Sado no Takara Wide Blue at Aikawa Onsen serves the former gold mining capital of Sado Island where the Sado Gold Mine — a UNESCO World Heritage candidate — produced the gold that funded the Tokugawa shogunate for 400 years and made this remote Sea of Japan island the most economically important territory in Edo-period Japan. Aikawa retains the merchant town character of its gold-rush prosperity, and the mine tour through Edo-period tunnels illuminated by mechanical figures of miners recreates the extraordinary underground world of Japan greatest historical gold extraction operation.
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.