Hiyama Prefectural Natural Park

Hiyama Prefectural Natural Park (檜山道立自然公園) is a Prefectural Natural Park in southwest Hokkaidō, Japan. Established in 1960, the park spans the municipalities of Esashi, Kaminokuni, Okushiri, Otobe, Setana, and Yakumo. Notable islands within the park include Okushiri Island and Kamome Island.