Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Banjaku Onsen Banjaku Sanso, in Yakumo, Japan, draws sodium-chloride water with a pH of 7.3. The hot-spring inn offers an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — Banjaku Onsen Banjaku Sanso is a ryokan-onsen in the village of Yakumo (八雲町, Oshima, Hokkaido), on the Oshima Peninsula. Yakumo is renowned for its cattle farming and dairy production. The sodium-chloride springs typical of southern Hokkaido are hot and slightly saline, excellent against rheumatic pain in Hokkaido's deep cold.