Soma Onsen Tenpo no Yu
Sōma, Fukushima, Japan
- Location
- Sōma, Fukushima, 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
Soma Onsen Tenpo no Yu is located in Sōma, Fukushima Prefecture. The sodium-chloride water reaches 41°C here, feeding an indoor bath, an outdoor rotenburo pool and a sauna.
Insider tip — Tenpo no Yu commemorates the Tenpo era (1830-1844) historical discovery of the Soma coastal spring. Soma City is famous for the Soma Nomaoi festival — a 1,000-year-old wild horse roundup in full samurai armor where hundreds of mounted warriors chase wild horses across a vast coastal plain in one of Japan most dramatically archaic equestrian spectacles, designated a National Important Intangible Folk Cultural Property.
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.