| Lake Easton State Park | |
| Map: | USA Washington#USA |
| Map Size: | 280 |
| Relief: | 1 |
| Location: | Kittitas, Washington, United States |
| Coordinates: | 47.2553°N -121.2008°W |
| Area Acre: | 697 |
| Elevation: | 2208feet |
| Established: | Unspecified |
| Operator: | Washington State Parks and Recreation Commission |
| Website: | Lake Easton State Park |
Lake Easton State Park is a 697acres Washington state park in Kittitas County. The park sits in the eastern foothills of the Cascade Range and has 24000feet of shoreline on Lake Easton. Park activities include picnicking, camping, hiking, mountain biking, boating, fishing, swimming, cross-country skiing, snowmobiling, wildlife viewing, and horseshoes.