| Lewiston Lake | |
|---|---|
| Lewiston Dam on the Trinity River forming the lake behind | |
| Location | Trinity County, California |
| Lake type | Reservoir |
| Primary inflows | Trinity River |
| Primary outflows | Trinity River |
| Basin countries | United States |
| Surface area | 750 acres (300 ha) |
| Water volume | 14,660 acre·ft (18,080,000 m3) |
| Surface elevation | 1,903 ft (580 m) |
| Settlements | Weaverville, California |
Lewiston Lake is a reservoir created by Lewiston Dam on the Trinity River, near the towns of Weaverville and Lewiston in Trinity County, California. It is used for transbasin diversion to the Sacramento River and flood control, as well as for hydroelectric generation, and is a popular destination for water sports, including water-skiing, fishing, and houseboating.