Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Takatsuka Onsen Inochi no Yu, also called Kyoka, is located in Kusu, Oita Prefecture. Its sodium-chloride water reaches around 40°C, with an indoor bath, an outdoor rotenburo bath and a sauna.
Insider tip — 'Inochi no Yu; Kyoka' (命の湯 — spring of life) at Takatsuka Onsen in the Kusu/Hita border area of Oita. 'Inochi no Yu' — spring of life — is a profound naming choice, positioning the onsen as a source of vitality and renewal. The volcanic springs of the Kusu-Hita area carry iron, calcium, and sodium minerals that give the water its invigorating, restorative character. The region, at the confluence of two prefectures, offers lush valley scenery and an authentic rural atmosphere that deepens the bathing experience.