Lakes / Idaho / Kootenai County / Harrison Slough
Harrison Slough, Idaho
493.04 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Idaho
47.47 degrees N, 116.79 degrees W - Kootenai 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 Harrison Slough Stacks Up
- Larger than 82% of the 316 lakes counted in Idaho.
- About 15 miles from Coeur d'Alene, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Anderson Lake | Kootenai | 1.7 mi | 502.86 acres |
| Thompson Lake | Kootenai | 2.6 mi | 395.02 acres |
| Blue Lake | Kootenai | 4.9 mi | 348.9 acres |
| Coeur d'Alene Lake | Kootenai | 5.8 mi | 26,891.64 acres |
| Black Lake | Kootenai | 5.9 mi | 380.3 acres |
| Swan Lake | Kootenai | 6.8 mi | 669.13 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Harrison Slough
How Big Is Harrison Slough?
Harrison Slough covers 493.04 acres in Kootenai County, Idaho.
What Is the Largest Lake in Kootenai County?
Coeur d'Alene Lake is the largest lake in Kootenai County, at 26,891.64 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 {BD3A4A8B-7C9C-40D3-BA4C-7C47633BA1B2}). Verified October 30, 2026.