Lakes / Pennsylvania / Twin Lakes Number Two Reservoir -upper twin lake
Twin Lakes Number Two Reservoir -upper twin lake, Pennsylvania
20 acres
Surface Area
1,120 ft
Surface Elevation
Where It Sits, and How Deep It Goes
Locator - Pennsylvania
40.32 degrees N, 79.48 degrees W - Westmoreland County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Pennsylvania Fish and Boat Commission coordinates, not by eye. Schematic - not a survey map.
Facts and Figures
Waterbody ID401915792831
CountyWestmoreland
Stocked TroutYes - stocked by the Pennsylvania Fish and Boat Commission
Coordinates40.3192, -79.4769
Deepest Natural Lakes in Pennsylvania
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Struble Lake | Chester | 146 acres | 19 ft |
Largest Lakes in Pennsylvania
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Pymatuning Reservoir | Crawford | 13,920 acres | About 25 ft |
| 2 | Allegheny Reservoir | Warren | 12,081 acres | 128 ft |
| 3 | Raystown Lake | Huntingdon | 8,297 acres | None |
| 4 | Lake Wallenpaupack | Pike, Wayne | 5,698 acres | 60 ft |
| 5 | Shenango River Lake | Mercer | 3,559 acres | 30 ft |
Sources: Pennsylvania Fish and Boat Commission lake data (ID 401915792831); USGS; Pennsylvania Fish and Boat Commission, Stocked Trout Waterbodies (PASDA PAFishBoat layers 1-2). Verified October 28, 2026.