| Hiyama Prefectural Natural Park | |
|---|---|
| 檜山道立自然公園 | |
 Nabetsuru Iwa, Okushiri Island | |
| Location | Hokkaidō, Japan |
| Coordinates | 41°51′59″N 140°06′49″E / 41.8664°N 140.1136°E |
| Area | 170.13 km2 (65.69 sq mi) |
| Established | 20 April 1960 |
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.[1]
- ^ "Hiyama Prefectural Natural Park". Hokkaidō Prefecture. Archived from the original on 24 June 2017. Retrieved 8 February 2012.