| Wanapum Lake | |
|---|---|
 Vantage Bridge over Lake Wanapum. | |
  Wanapum Lake  Wanapum Lake | |
| Location | Kittitas / Grant / Douglas / Chelan counties, Washington, United States |
| Coordinates | 46°52′23″N 119°58′19″W / 46.87306°N 119.97194°W |
| Type | reservoir |
| Primary inflows | Columbia River |
| Primary outflows | Columbia River |
| Basin countries | United States |
| References | [1] |
Wanapum Lake is a reservoir on the Columbia River in the U.S. state of Washington. It was created in 1963 with the construction of Wanapum Dam. It stretches from there upstream to the Rock Island Dam. The lake is named for the Wanapum people.