Hiyama Prefectural Natural Park (檜山道立自然公園, Hiyama dōritsu shizen kōen) 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.

This Hokkaidō location article is a stub.

You can help Wikipedia by expanding it.This article about a national/quasi-national park or protected area in Japan, or related topic is a stub.