Lakes / Idaho / Idaho County / Black Lake
Black Lake, Idaho County, Idaho
43.74 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Idaho
45.33 degrees N, 114.83 degrees W - Idaho 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 29% of the 316 lakes counted in Idaho.
- About 116 miles from Ketchum, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Ship Island Lake | Lemhi | 15 mi | 87.23 acres |
| Goat Lake | Lemhi | 16 mi | 25.45 acres |
| Sheepeater Lake | Idaho | 25 mi | 30.64 acres |
| Fish Lake | Idaho | 43 mi | 29.65 acres |
| White Cap Lakes | Idaho | 44 mi | 31.81 acres |
| Riordan Lake | Valley | 45 mi | 74.38 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Black Lake
How Big Is Black Lake?
Black Lake covers 43.74 acres in Idaho County, Idaho.
What Is the Largest Lake in Idaho County?
Big Hazard Lake is the largest lake in Idaho County, at 142.09 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 41473265). Verified October 30, 2026.