Lakes / Idaho / Caribou County
Lakes in Caribou County, Idaho
5 lakes counted in Caribou County - the largest is Blackfoot Reservoir at 16,913.5 acres.
5
Lakes Counted
16,913.5 acres
Largest - Blackfoot Reservoir
Caribou County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Blackfoot Reservoir | Caribou | 16,913.5 acres | - |
| 2 | Chesterfield Reservoir | Caribou | 1,264.44 acres | - |
| 3 | Alexander Reservoir | Caribou | 1,007.26 acres | - |
| 4 | Hole in the Rock | Caribou | 146.29 acres | - |
| 5 | Twentyfour Mile Reservoir | Caribou | 37.31 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.