Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
SoufreSulfuresSulfates
Kagoshima Onsen Tokinosumika is located in Kagoshima, in the eponymous prefecture in Japan. Its sulfurous water is heated to 44°C and feeds an indoor bath as well as an outdoor rotenburo, with a sauna.
Insider tip — Tokinosumika — dwelling in time — evokes the meditative quality Kagoshima bathers seek amid the constant activity of Sakurajima. The sulfurous water here has been used for generations to treat skin conditions and ease joint pain.