Lakes in Custer County, Idaho
22 lakes counted in Custer County - the largest is Redfish Lake at 1,503.88 acres.
22
Lakes Counted
1,503.88 acres
Largest - Redfish Lake
Custer County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Redfish Lake | Custer | 1,503.88 acres | - |
| 2 | Mackay Reservoir | Custer | 1,177.96 acres | - |
| 3 | Yellow Belly Lake | Custer | 193.48 acres | - |
| 4 | Stanley Lake | Custer | 180.14 acres | - |
| 5 | Sawtooth Lake | Custer | 173.47 acres | - |
| 6 | Toxaway Lake | Custer | 121.58 acres | - |
| 7 | Imogene Lake | Custer | 71.66 acres | - |
| 8 | Little Redfish Lake | Custer | 63.77 acres | - |
| 9 | Jimmy Smith Lake | Custer | 62.76 acres | - |
| 10 | Hell Roaring Lake | Custer | 56.59 acres | - |
| 11 | Edna Lake | Custer | 56.2 acres | - |
| 12 | Baron Lakes | Custer | 49.14 acres | - |
| 13 | Mosquito Flat Reservoir | Custer | 49.13 acres | - |
| 14 | Goat Lake | Custer | 43.24 acres | - |
| 15 | Sullivan Lake | Custer | 40.53 acres | - |
| 16 | Champion Lakes | Custer | 39.42 acres | - |
| 17 | Farley Lake | Custer | 32.15 acres | - |
| 18 | Vernon Lake | Custer | 31.41 acres | - |
| 19 | Cape Horn Lakes | Custer | 31.38 acres | - |
| 20 | Upper Cramer Lake | Custer | 30.39 acres | - |
| 21 | Alpine Lake | Custer | 27.54 acres | - |
| 22 | Quiet Lake | Custer | 27.43 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.