| Upper Ugashik Lake | |
|---|---|
| Upper Ugashik Lake, with Blue Mountain visible in background | |
| Location | Lake and Peninsula Borough, Alaska, USA |
| Primary outflows | Ugashik River |
| Basin countries | United States |
| Max. length | 17 mi (27 km) |
The Ugashik Lakes are two adjacent lakes along the Ugashik River on the Alaska Peninsula in the U.S. state of Alaska.
The lakes are world renowned for trophy Arctic grayling fishing. The lakes also support large concentrations of lake trout, provide key feeding habitat for large numbers of sockeye and coho salmon.