Tago Onsen
Illustration photo — not a verified picture of this exact spot.
- Location
- Hashikami, Aomori, Japan
- Water type
- bicarbonate, carbonated
- Temperature
- 38 °C
- pH
- 7.8
Water profile
Soothing — neither hot nor cold, perfect balance.
Loaded with major ions — the essential minerals (Ca, Mg).
Mineralised water — eases movement and joints.
Tago Onsen offers a mineral combination of bicarbonate, carbonated, and simple waters—a spring whose natural CO2 content creates a tingling sensation on the skin, earning carbonated springs the Japanese designation of cosmetic or active springs valued for their ability to stimulate circulation and deliver minerals directly through the skin's surface during immersion. The natural carbonation of Tago's waters, combined with the gentle alkalinity of bicarbonate and simple mineral content, creates a bath experience that is both lively and restorative—like sparkling mineral water applied to the entire body through extended soaking. This spring's unusual multi-mineral character places it among Japan's more therapeutically complex and physically engaging simple-type bathing destinations.