Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
Mitake Onsen lies in the town of Ome in the western reaches of Tokyo Metropolis, where bicarbonate-rich thermal waters emerge amid the pristine forests of the Okutama mountain area, just one hour from the urban heart of Japan's capital. These alkaline waters, known in Japan as 'bijin-no-yu' or beauty water, are prized for their ability to soften skin and cleanse the body while providing deep relaxation after hiking the trails of the nearby Mitake gorge. Rooting the modern visitor in Japan's timeless relationship with mountain hot springs, Mitake Onsen offers a natural counterpoint to city life that has drawn generations of Tokyo residents seeking restorative thermal immersion in a forested volcanic landscape.
Insider tip — Mitake Onsen rises in the Tama River gorge at the foot of sacred Mount Mitake, where bicarbonate-rich water percolates through the metamorphic rocks of the Kanto Mountains before surfacing at 42°C. The cedar-lined trails of Mitakesan stretch above the bathhouse, and hikers descend to soak in riverside tubs with the sound of rushing rapids below. The combination of forest shrine, mountain trail, and hot spring makes this one of the most complete day-trip experiences reachable by train from central Tokyo.