Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Tengu no Yakata, at Mure Onsen in Iizuna, Nagano Prefecture, heats thermal sodium-chloride water to 40°C, offering an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — 'Tengu no Yakata' (mansion of the tengu) at Mure Onsen in Iizuna-machi, Nagano. The tengu — long-nosed mountain goblins of Japanese folklore — are said to dwell in high mountain forests. An onsen named for these mythical guardians of the peaks evokes the wild spirit of the Nagano highlands near Iizuna ski resort.