Lakes / Pennsylvania / Dauphin County
Lakes in Dauphin County, Pennsylvania
4 lakes counted in Dauphin County - the largest is DeHart Reservoir at 596.3 acres.
4
Lakes Counted
596.3 acres
Largest - DeHart Reservoir
Dauphin County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | DeHart Reservoir | Dauphin | 596.3 acres | None |
| 2 | Bear Swamp | Dauphin | 100.1 acres | None |
| 3 | Wildwood Lake | Dauphin | 75.6 acres | None |
| 4 | Middletown Reservoir | Dauphin | 11 acres | None |
Sources: Pennsylvania Fish and Boat Commission lake data; USGS. Verified October 28, 2026.