Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Chidori Onsen (Jitensha Yu) is a hot spring bathhouse located in Osaka. Its sodium-chloride water reaches 41°C and is split between an indoor bath and an outdoor rotenburo, alongside a sauna.
Insider tip — Chidori Onsen bears the affectionate nickname Jitensha Yu (bicycle bath) for its popularity among cyclists. Located in the Osaka coastal plain, it draws deep sodium-rich water that warms through fatigued muscles after long rides.