Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
Okabe Onsen Fujinomiya is a traditional hot spring facility in Fujinomiya, a city in western Shizuoka Prefecture, Japan, standing at the foot of the sacred Mount Fuji — the world's most iconic volcano and a UNESCO World Heritage cultural site that has inspired Japanese art, literature, and spiritual practice for centuries. The bicarbonate-rich thermal waters flow from geological formations beneath the Fuji volcanic zone and are valued for their skin-softening and muscle-relaxing properties, providing a deeply restorative soak with the possibility of contemplating Japan's most revered mountain. Combining thermal bathing with proximity to Fujinomiya's famous Sengen Shrine, the Shiraito Falls, and the Fujisan World Heritage Center, this onsen offers a culturally and scenically exceptional experience in Fuji's sacred foothills.
Insider tip — Okabe Onsen near Fujinomiya enjoys a position on the northwestern slope of Mount Fuji, with clear views of the volcano's snow cap during winter soaks. The bicarbonate water is lightly alkaline and leaves a characteristic silky feel on the skin; locals call this the 'bijin-no-yu' or beauty water effect. Many facilities here offer open-air baths designed to frame Fuji directly — reserve a rotenburo slot at dusk for the best light.