Tateshina Onsen

Tateshina, Nagano Prefecture, Japan

Location: Tateshina, Nagano Prefecture, Japan
Water type: bicarbonate
Temperature: 40 °C
pH: 8

Water profile

Thermicity

Sedative

40 °C

LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation

Restorative

LowHigh

Loaded with major ions — the essential minerals (Ca, Mg).

Buoyancy

Standard buoyancy

LowHigh

Soft water — natural, classic buoyancy.

BicarbonatesSodiumCalcium

Tateshina Onsen is situated in Chino City, Nagano Prefecture, at the base of Mount Tateshina — the northernmost peak of the Yatsugatake volcanic range, sometimes called "Suwa Fuji" for its elegant cone shape visible from the Suwa basin — in a highland resort area of birch forests, natural lakes, and summer villa culture that has attracted Tokyo residents seeking cool mountain air since the Meiji era. The siliceous thermal waters here complement one of Nagano's most established and exclusive highland resort areas, where the Tateshina Grand Hotel and numerous luxury ryokan have catered to sophisticated Japanese travelers seeking both alpine beauty and onsen relaxation in a landscape of volcanic geology and ancient forest. Bathing at Tateshina Onsen amid the birch forests and volcanic highland scenery of the Yatsugatake piedmont provides an experience of refined Japanese mountain wellness where natural beauty and thermal tradition are seamlessly combined.

Insider tip — Tateshina Onsen clusters on the southwestern slopes of Mount Tateshina, a dormant stratovolcano rising above the Suwa Basin in central Nagano, where bicarbonate spring waters flow from the upland lava terrain. The surrounding birch and larch forests turn brilliant yellow in mid-October, drawing visitors from across the Kanto region for foliage combined with thermal bathing. Winter temperatures drop sharply here, making the outdoor pools particularly atmospheric when framed by snow-laden branches.

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