Tennen Onsen; Michishio
Sanyōonoda, Yamaguchi, Japan
- Location
- Sanyōonoda, Yamaguchi, 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
Tennen Onsen Michishio is set in Sanyōonoda, Yamaguchi Prefecture. The sodium-chloride water reaches 41°C, pH 7.3. Amenities include a covered bath, an outdoor rotenburo and a sauna.
Insider tip — In Sanyōonoda, where the Sanyō industrial corridor meets the Kanmon Strait chemical industry complex, Michishio (tidal currents) onsen draws sodium-chloride spring waters with the energy of the swift Seto Inland Sea tides flowing just beyond the city; the spa offers industrial-city workers mineral recovery from one of Japan's most demanding coastal manufacturing environments.
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.