Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Yunotaira Onsen, located in Gujō, Gifu Prefecture, offers sodium-chloride water heated to 41°C. An indoor bath, an outdoor rotenburo, and a sauna are available to visitors.
Insider tip — Yunotaira Onsen, the hot spring plateau, serves a mountain community in the Nagara River headwaters where extensive beech forests have been preserved as a natural filter for one of Japan last major undammed rivers. The Nagara is a sanctuary for wild ayu sweetfish whose populations thrive in undisturbed Gifu mountain streams, making this river the centre of Japan traditional cormorant fishing heritage at Gifu City downstream.