Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
SoufreSulfuresSulfates
Ipponzakura Onsen Center, in Chiran, Kagoshima prefecture, draws sulfurous water at 44°C for its indoor bath and outdoor rotenburo; a sauna rounds out the offering.
Insider tip — Ipponzakura Onsen Center is named for a solitary cherry tree that blooms each spring in the volcanic landscape of southern Kagoshima, marking the facility as a seasonal pilgrimage for blossom viewers and spring bathers alike. The sulfurous waters rise from the same volcanic system that fuels the nearby Kirishima mountains, carrying a pungent mineral character that is a hallmark of the region's finest springs. High temperatures and strong sulfur content are valued for skin conditions and respiratory health in local tradition. The simple community-oriented centre preserves the unpretentious spirit of Kagoshima's onsen culture.