Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Ogaki Tennen Onsen Yu no Shiro is located in Ōgaki, Gifu prefecture. Sodium-chloride water rises here at 41°C into an indoor bath and an outdoor rotenburo, with a sauna available.
Insider tip — Ogaki is called the water city of Japan for its extraordinary abundance of natural springs, and Yu no Shiro celebrates this heritage in its very name. The facility draws from deep saline aquifers and its outdoor baths offer a serene contrast to the bustle of this Nobi Plain city.