Lakes / Idaho / Adams County / Black Lake
Black Lake, Adams County, Idaho
25.7 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Idaho
45.19 degrees N, 116.56 degrees W - Adams 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 Black Lake Stacks Up
- Larger than 1% of the 316 lakes counted in Idaho.
- About 110 miles from Boise, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Baldy Lake | Idaho | 8.7 mi | 43.49 acres |
| Sheep Lake | Idaho | 9.9 mi | 48.68 acres |
| Lost Valley Reservoir | Adams | 16 mi | 726 acres |
| Twin Lakes | Adams | 19 mi | 39.78 acres |
| Goose Lake | Adams | 20 mi | 378.07 acres |
| Hazard Lake | Idaho | 20 mi | 62.27 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Black Lake
How Big Is Black Lake?
Black Lake covers 25.7 acres in Adams County, Idaho.
What Is the Largest Lake in Adams County?
Lost Valley Reservoir is the largest lake in Adams County, at 726 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 54951861). Verified October 30, 2026.