Hijikawa Prefectural Natural Park
Hijikawa Prefectural Natural Park is a Prefectural Natural Park in Ehime Prefecture, Japan. Established in 1960, the park spans the borders of the municipalities of Ōzu and Seiyo. The park's central feature is the eponymous.
It is located in the area around the Kanogawa Dam upstream of the Hijikawa River, Ehime Prefecture's largest river.