Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
CalciumSulfates
Taki Onsen takes its name from the waterfall—taki—that defines its surrounding landscape, where the volcanic geology driving thermal activity also sculpts the dramatic cascades that animate Japan's river valleys with sound and mist throughout every season. The sulfated waters carry calcium and magnesium mineral content that promotes circulation, joint flexibility, and the deep skin-conditioning properties valued in traditional Japanese bathing across centuries of therapeutic practice. At Taki Onsen, the sight and sound of falling water add a powerful sensory dimension to the mineral bath that few purely inland springs can match.
Insider tip — Taki Onsen in the Senboku highlands of Akita lies near Lake Tazawa — Japan's deepest lake — and the famous Nyuto Onsenkyo cluster of remote rustic hot springs in the Towada-Hachimantai National Park. The calcium-sulfate springs serve a landscape of beech forests and volcanic mountains buried in deep winter snow, in one of northern Honshu's most pristine and traditional onsen regions.