Lakes / Idaho / Caribou County / Hole in the Rock
Hole in the Rock, Idaho
146.29 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Idaho
42.83 degrees N, 111.61 degrees W - Caribou County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Hole in the Rock Stacks Up
- Larger than 67% of the 316 lakes counted in Idaho.
- About 50 miles from Idaho Falls, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Blackfoot Reservoir | Caribou | 5.7 mi | 16,913.5 acres |
| Alexander Reservoir | Caribou | 13 mi | 1,007.26 acres |
| Twentyfour Mile Reservoir | Caribou | 15 mi | 37.31 acres |
| Little Valley Reservoir | Bonneville | 18 mi | 166.29 acres |
| Chesterfield Reservoir | Caribou | 19 mi | 1,264.44 acres |
| Grays Lake | Bonneville | 22 mi | 337.33 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Hole in the Rock
How Big Is Hole in the Rock?
Hole in the Rock covers 146.29 acres in Caribou County, Idaho.
What Is the Largest Lake in Caribou County?
Blackfoot Reservoir is the largest lake in Caribou County, at 16,913.5 acres.
Largest Lakes in Idaho
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Pend Oreille | Bonner | 92,764.44 acres | - |
| 2 | American Falls Reservoir | Power | 55,319.78 acres | - |
| 3 | Coeur d'Alene Lake | Kootenai | 26,891.64 acres | - |
| 4 | Lake Cascade | Valley | 25,043.4 acres | - |
| 5 | Priest Lake | Bonner | 23,425.59 acres | - |
All 316 Idaho lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 55438838). Verified October 30, 2026.