Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Okayama Miyabi Onsen Daikazoku no Yu, in Okayama, offers sodium-chloride water at 41°C in an indoor bath and an outdoor rotenburo bath, with a sauna also available.
Insider tip — Okayama Miyabi Onsen Daikazoku no Yu is a large family-oriented super-sento in the heart of Okayama city, drawing natural sodium-chloride water to serve a busy urban clientele. Its extensive facilities include multiple indoor baths, sauna, and a spacious outdoor rotenburo. The name Daikazoku no Yu, meaning Great Family Bath, signals its welcoming approach to all age groups. Children's play baths and a dedicated rest zone for seniors make it a genuinely multi-generational destination.