Lakes / Idaho / Boundary County
Lakes in Boundary County, Idaho
9 lakes counted in Boundary County - the largest is McArthur Lake at 135.25 acres.
9
Lakes Counted
135.25 acres
Largest - McArthur Lake
Boundary County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | McArthur Lake | Boundary | 135.25 acres | - |
| 2 | Robinson Lake | Boundary | 55.35 acres | - |
| 3 | Perkins Lake | Boundary | 54.36 acres | - |
| 4 | Dawson Lake | Boundary | 49.42 acres | - |
| 5 | Hidden Lake | Boundary | 43.98 acres | - |
| 6 | Herman Lake | Boundary | 33.02 acres | - |
| 7 | Brush Lake | Boundary | 31.63 acres | - |
| 8 | Harrison Lake | Boundary | 28.42 acres | - |
| 9 | Smith Lake | Boundary | 26.93 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.