Lakes / Idaho / Franklin County
Lakes in Franklin County, Idaho
9 lakes counted in Franklin County - the largest is Twin Lakes Reservoir at 439.35 acres.
9
Lakes Counted
439.35 acres
Largest - Twin Lakes Reservoir
Franklin County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Twin Lakes Reservoir | Franklin | 439.35 acres | - |
| 2 | Oneida Narrows Reservoir | Franklin | 429.96 acres | - |
| 3 | Glendale Reservoir | Franklin | 207.57 acres | - |
| 4 | Strongarm Reservoir Number One | Franklin | 150.98 acres | - |
| 5 | Lamont Reservoir | Franklin | 88.46 acres | - |
| 6 | Condie Reservoir | Franklin | 86.24 acres | - |
| 7 | Winder Reservoir | Franklin | 76.94 acres | - |
| 8 | Foster Reservoir | Franklin | 66.22 acres | - |
| 9 | Johnson Reservoir | Franklin | 43.98 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.