| Lonesome Lake | |
|---|---|
  Lonesome Lake  Lonesome Lake | |
| Location | Custer County, Idaho |
| Coordinates | 44°04′26″N114°36′26″W / 44.073839°N 114.607106°W |
| Type | Glacial |
| Primary outflows | Little Boulder Creek to East Fork Salmon River |
| Basin countries | United States |
| Max. length | 458 m (1,503 ft) |
| Max. width | 178 m (584 ft) |
| Surface elevation | 3,185 m (10,449 ft) |
Lonesome Lake is an alpine lake in Custer County, Idaho, United States, located in the White Cloud Mountains in the Sawtooth National Recreation Area. The lake is accessed from Sawtooth National Forest trail 683. [1]
Lonesome Lake is northwest of Merriam Peak and located in the lower section of the Boulder Chain Lakes Basin. It is the highest elevation named lake in the Sawtooth National Recreation Area.
