Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Taiyo Onsen welcomes bathers in Osaka, Osaka around sodium-chloride water, typical of the area's onsen. The water emerges at around 38°C. Facilities include an indoor bath, an open-air bath (rotenburo) and a sauna.
Insider tip — 'Taiyo' (sun) Onsen is an urban sento in Osaka tapping deep artesian hot spring waters. As with many Osaka neighbourhood baths, the water is often dark amber — rich in sodium and warming to the core. A living piece of Osaka's shitamachi (working-class) culture.