| Capitol Lake | |
|---|---|
 | |
  Capitol Lake | |
| Location | Olympia / Tumwater, Washington, United States |
| Coordinates | 47°1′59.81″N 122°54′31.58″W / 47.0332806°N 122.9087722°W |
| Type | Artificial lake, Formerly wetlands and estuary |
| Primary inflows | Deschutes River |
| Primary outflows | Budd Inlet |
| Max. length | 3 km (1.9 mi) |
| Surface area | 260 acres (1.1 km2) |
| Settlements | Tumwater, Olympia |
Capitol Lake is a 3 kilometer (1.9 mile) long, 260-acre (1.1 km2) artificial lake at the mouth of Deschutes River in Tumwater/Olympia, Washington. The Olympia Brewery sits on Capitol Lake in Tumwater, just downstream from where the Tumwater Falls meet the artificial lake. The Washington State Department of Enterprise Services (DES) manages the lake, as part of The Washington State Capitol Campus.