Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Tennen Onsen Takarayu is located in Hodatsushimizu, Ishikawa prefecture. Sodium-chloride water rises here at 41°C, split between an indoor bath and an outdoor rotenburo, with a sauna available.
Insider tip — Takarayu, the treasure spring, sits in Hodatsushimizu on the approach to the Noto Peninsula. The salty coastal spring is a gateway to the UNESCO-listed Noto Satoyama Satoumi landscape and pairs well with Noto local sake and oysters.