Lakes in Linn County, Oregon
20 lakes counted in Linn County - the largest is Foster Lake at 1,052 acres.
20
Lakes Counted
1,052 acres
Largest - Foster Lake
Linn County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Foster Lake | Linn | 1,052 acres | - |
| 2 | Marion Lake | Linn | 353 acres | - |
| 3 | Big Lake | Linn | 236 acres | - |
| 4 | Smith Reservoir | Linn | 152 acres | - |
| 5 | Clear Lake | Linn | 151 acres | - |
| 6 | Lava Lake | Linn | 131 acres | - |
| 7 | Fish Lake | Linn | 118 acres | - |
| 8 | Lost Lake | Linn | 79 acres | - |
| 9 | Cheadle Lake | Linn | 72 acres | - |
| 10 | Trail Bridge Reservoir | Linn | 63 acres | - |
| 11 | Snow Peak Log Pond | Linn | 61 acres | - |
| 12 | Fisher Island Pond | Linn | 57 acres | - |
| 13 | Mowich Lake | Linn | 53 acres | - |
| 14 | Pamelia Lake | Linn | 53 acres | - |
| 15 | Willamette Log Pond | Linn | 52 acres | - |
| 16 | Second Lake | Linn | 50 acres | - |
| 17 | Western Log Pond | Linn | 42 acres | - |
| 18 | Jorn Lake | Linn | 31 acres | - |
| 19 | Carmen Reservoir | Linn | 28 acres | - |
| 20 | Duffy Lake | Linn | 26 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.