| Maryhill State Park | |
| Map: | USA Washington#USA |
| Map Size: | 280 |
| Relief: | 1 |
| Location: | Klickitat, Washington, United States |
| Coordinates: | 45.6828°N -120.8269°W |
| Area Acre: | 81 |
| Elevation: | 180feet |
| Established: | 1972 |
| Operator: | Washington State Parks and Recreation Commission |
| Website: | Maryhill State Park |
Maryhill State Park is a public recreation area on the Columbia River in Klickitat County, Washington. The 81acres state park offers of shoreline and facilities for camping, hiking, boating, fishing, and swimming. The Maryhill Stonehenge, a full-scale concrete replica of Stonehenge, stands on a bluff not far from the park.