A legendary onsen known as a secret healing hot spring for the army of Shingen Takeda. All natural and 100 % direct-from-source, its water is colored in yellowish brown due to high iron content.
3541 Matsushiromachihigashijo Nagano-shi
10:00 to 22:00
Open throughout the year
Day trip bath use: Adults 510 yen, Elementary school students 200 yen