Nishitokyo Onsen
- Location
- Nishitokyo, Tokyo, Japan
- Water type
- sodium chloride
- Temperature
- 41 °C
- pH
- 7.3
Water profile
Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Dense, salty water — you float without effort.
Nishitokyo Onsen is a thermal bathing facility in the city of Nishitokyo, a western Tokyo municipality formed in 2001 from the merger of Hoya and Tanashi cities, combining the Hoya glass manufacturing heritage and the Tanashi historic market town character in a community that balances postwar suburban development with the preservation of local neighborhood life. The siliceous mineral waters provide warm, community-oriented bathing for a city whose identity is defined more by the domestic rhythms of a well-functioning Tokyo suburb than by any single dramatic attraction, with Shakujii Park's forested pond landscape and the Yanase Gawa river walk's seasonal wildflowers providing accessible natural beauty within the urban fabric. Shakujii Park's twin ponds and ancient Sanpoji temple, the Yanase Gawa river walk, and the warm mineral waters of the neighborhood onsen create a gently pleasant western Tokyo experience for those seeking the quiet pleasures of ordinary Japanese suburban life.