Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Eikichi Onsen is located in Kagoshima, a volcanic region in southern Japan. Its thermal sodium-chloride water reaches 42°C, with an indoor bath, outdoor rotenburo and sauna.
Insider tip — Kagoshima's sentos are among Japan's most convivial — the volcanic ash that dusts the city daily (swept from car hoods every morning) creates a shared experience that drives locals to neighborhood baths more than in any other Japanese city. Eikichi Onsen is a classic sento serving a community whose food culture — kibinago silvertide fish, black Berkshire pork (kurobuta), sweet potato shochu (imo-jochu) — is among Japan's most distinctive. Sakurajima rumbles in the background of everyday life here.