Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
FerBicarbonatesManganèse
Gunma Onsen Yasuragi no Yu is located in Fujioka, Gunma prefecture. Its water, both iron-rich and thermal, emerges at 40°C with a pH of 6.3, alongside an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — Gunma Onsen Yasuragi no Yu sits on the western edge of Fujioka city, blending mild thermal waters with a trace of iron that gives the bath a warm amber hue at certain times of year. The name Yasuragi means tranquility, and the unhurried atmosphere lives up to it. Multiple bath zones including a low-temperature recovery pool cater to all ages. The tatami rest area is a highlight for post-soak relaxation with green tea.