Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
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Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
Tennen Onsen Mitsumine is a natural hot spring in Kani, Gifu Prefecture, Japan. Its bicarbonate thermal water, slightly alkaline (pH 8), emerges at around 39°C. The bathhouse offers an indoor bath, an outdoor rotenburo bath and a sauna.
Insider tip — 'Mitsumine' (three peaks) Tennen Onsen in Kani, Gifu — the name echoes the sacred Mitsumine Shrine in the Chichibu mountains. A natural hot spring facility in the foothills of central Gifu, serving the growing communities between Gifu city and Toyota's manufacturing belt.