Lakes / Idaho / Boundary County / Harrison Lake
Harrison Lake, Idaho
28.42 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Idaho
48.68 degrees N, 116.66 degrees W - Boundary 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 Lake Stacks Up
- Larger than 5% of the 316 lakes counted in Idaho.
- About 69 miles from Coeur d'Alene, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Priest Lake | Bonner | 11 mi | 23,425.59 acres |
| Upper Priest Lake | Bonner | 13 mi | 1,339.81 acres |
| McArthur Lake | Boundary | 15 mi | 135.25 acres |
| Hidden Lake | Boundary | 15 mi | 43.98 acres |
| Chase Lake | Bonner | 17 mi | 135.66 acres |
| Smith Lake | Boundary | 19 mi | 26.93 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Harrison Lake
How Big Is Harrison Lake?
Harrison Lake covers 28.42 acres in Boundary County, Idaho.
What Is the Largest Lake in Boundary County?
McArthur Lake is the largest lake in Boundary County, at 135.25 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 52132707). Verified October 30, 2026.