Noji Onsen
- Location
- Koriyama, Fukushima, Japan
- Water type
- bicarbonate, carbonated
- Temperature
- 40 °C
- pH
- 6.3
Water profile
Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Mineralised water — eases movement and joints.
Noji Onsen in Fukushima Prefecture offers bicarbonate and naturally carbonated waters—a spring type appreciated in Japanese thermal culture for the effervescent CO2 that creates a tingling, lively sensation on the skin and the gentle alkaline warmth of bicarbonate minerals that leave the skin feeling softened and refreshed after extended soaking in the toji tradition. Fukushima's volcanic highland geology, particularly around the Aizu and Bandai mountain regions, produces springs of remarkable mineral diversity, and Noji's carbonated character places it among the more lively and engaging members of the prefecture's extensive onsen family. The natural sparkle of carbonated spring water at Noji offers a different sensory experience from the quieter mineral springs of the region—an effervescent reminder of the volcanic energy constantly at work beneath Fukushima's ancient mountain surface.