Lake Entiat
| Lake Entiat | |
|---|---|
| Rocky Reach Reservoir | |
| Location | Chelan / Douglas counties, Washington |
| Coordinates | 47°31′59″N 120°17′39″W / 47.53306°N 120.29417°W |
| Type | reservoir |
| Primary inflows | Columbia River |
| Primary outflows | Columbia River |
| Basin countries | United States |
| Surface elevation | 709 ft (216 m) |
Lake Entiat (also known as Rocky Reach Reservoir) is a reservoir between Chelan County and Douglas County in North Central Washington, USA, that is formed above Rocky Reach Dam (built 1962), a hydroelectric dam on the Columbia River. The reservoir is 17 mi (27 km) north of Wenatchee and stretches upstream to the Wells Dam. Lincoln Rock State Park is on its south shore.