Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
In Sukagawa, Fukushima, Sukagawa Shimin Onsen draws on thermal sodium-chloride water reaching 39°C. An indoor bath, open-air rotenburo and sauna make up this relaxation-focused spot.
Insider tip — Sukagawa Shimin Onsen ('citizens' onsen) is a public hot spring facility serving the residents of Sukagawa, Fukushima — the birthplace of Ultraman creator Eiji Tsuburaya. The municipal bath reflects a strong local community spirit; affordable, welcoming, and genuinely serving the everyday needs of the people.