Tenryū Koshibu Suikei Prefectural Natural Park


Tenryū Koshibu Suikei Prefectural Natural Park is a Prefectural Natural Park in southern Nagano Prefecture, Japan. Established in 1970, the park's central feature is the Tenryū River. The park spans the borders of the municipalities of Iida, Matsukawa, Nakagawa, Ōshika, Takagi, Takamori, and Toyooka.