Lakes / Montana / Fergus County
Lakes in Fergus County, Montana
6 lakes counted in Fergus County - the largest is Bear Creek Reservoir at 217.7 acres.
6
Lakes Counted
217.7 acres
Largest - Bear Creek Reservoir
Fergus County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Bear Creek Reservoir | Fergus | 217.7 acres | - |
| 2 | East Fork Reservoir | Fergus | 90 acres | - |
| 3 | Crystal Lake | Fergus | 46 acres | About 10 ft |
| 4 | Upper Carters Pond | Fergus | 30 acres | - |
| 5 | Carters Pond | Fergus | 27 acres | - |
| 6 | Jakes Reservoir | Fergus | 18 acres | - |
Sources: Montana Fish, Wildlife & Parks lake data; USGS. Verified October 30, 2026.