Lakes / Pennsylvania / Lycoming County
Lakes in Lycoming County, Pennsylvania
6 lakes counted in Lycoming County - the largest is Rose Valley Lake at 389 acres.
6
Lakes Counted
389 acres
Largest - Rose Valley Lake
Lycoming County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Rose Valley Lake | Lycoming | 389 acres | None |
| 2 | Algerine Swamp Bog | Lycoming | 100.6 acres | None |
| 3 | Little Pine Lake | Lycoming | 90 acres | About 20 ft |
| 4 | Hagerman Lake | Lycoming | 85.3 acres | None |
| 5 | Beaver Lake | Lycoming | 72.4 acres | None |
| 6 | Mosquito Valley Reservoir | Lycoming | 61.5 acres | None |
Sources: Pennsylvania Fish and Boat Commission lake data; USGS. Verified October 28, 2026.