Tamagawa Onsen

Tamagawa Onsen (玉川温泉) is an onsen located in Tazawako, Semboku.

Located on the 341 about 30 kilometers north of Tazawako, it's soothing sulphuric waters are thought to cure cancer. Tamagawa Onsen also boasts the highest output (flow) of any hot spring in the country, as well as having the highest acidity with a pH of 1.2

See also