Lakes in Grant County, Oregon
8 lakes counted in Grant County - the largest is Olive Lake at 149 acres.
8
Lakes Counted
149 acres
Largest - Olive Lake
Grant County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Olive Lake | Grant | 149 acres | - |
| 2 | Pronghorn Reservoir | Grant | 70 acres | - |
| 3 | Buffalo Lake | Grant | 43 acres | - |
| 4 | Magone Lake | Grant | 41 acres | - |
| 5 | Sproul Reservoir | Grant | 35 acres | - |
| 6 | Strawberry Lake | Grant | 34 acres | - |
| 7 | Canyon Meadows Lake | Grant | 32 acres | - |
| 8 | Bull Prairie Lake | Grant | 28 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.