Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Yunoko Onsen is located in Ebino, Miyazaki Prefecture, beside Yunoko Pond in the highland plateau of Ebino Kogen — a volcanic tableland in the Kirishima-Yaku National Park at 1,200 meters elevation where emerald crater lakes, open caldera grasslands, and active volcanic vents create a dramatically otherworldly landscape. The siliceous thermal waters here emerge from the same geothermal system that powers the Kirishima volcanic group, delivering mineral-rich baths with views of the volcanic plateau's turquoise lakes and smoking fumaroles. Bathing at Yunoko Onsen amid this high-altitude volcanic landscape in one of Japan's oldest national parks connects visitors to the raw geological forces shaping the Kyushu highlands.
Insider tip — Yunoko Onsen in Miyazaki Prefecture taps a warm sodium-chloride spring that deeply warms the skin, leaving a lasting sense of well-being long after bathing. The surrounding countryside is quiet and largely undiscovered by international visitors, making it a genuine retreat into rural Kyushu life. Local bathers come regularly for its enveloping warmth in the cooler months. A short drive brings you to the scenic Nichinan Coast and ancient Udo Shrine carved into seaside cliffs.