Lakes / Montana / Custer County
Lakes in Custer County, Montana
5 lakes counted in Custer County - the largest is Physic Creek Reservoir at 37.1 acres.
5
Lakes Counted
37.1 acres
Largest - Physic Creek Reservoir
Custer County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Physic Creek Reservoir | Custer | 37.1 acres | - |
| 2 | Noble Reservoir | Custer | 34.3 acres | - |
| 3 | Spotted Eagle Lake | Custer | 25 acres | About 10 ft |
| 4 | Witcher Reservoir | Custer | 13 acres | - |
| 5 | Cook Lake | Custer | 6 acres | - |
Sources: Montana Fish, Wildlife & Parks lake data; USGS. Verified October 30, 2026.