Cumberland Valley
| Cumberland Valley | |
|---|---|
The Great Appalachian Valley includes the Cumberland Valley (7) depicted southeast of the Ridge-and-Valley Appalachians and between the Lebanon (6) and Shenandoah (8) valleys. | |
| Floor elevation | 600 ft (180 m) |
| Length | 73 miles (117 km) northeast-southwest |
| Width | 12 miles (19 km) |
| Geography | |
| Location | Cumberland County, Pennsylvania Franklin County, Pennsylvania Washington County, Maryland |
| Population centers | In Pennsylvania: Harrisburg, Carlisle, Mechanicsburg, Shippensburg, Chambersburg, Greencastle, Waynesboro In Maryland: Hagerstown |
| Borders on | Ridge-and-Valley Appalachians (west/north) South Mountain (east/south) Susquehanna River (east) Potomac River (south) |
| Coordinates | 39°56′N 77°43′W / 39.93°N 77.72°W |
The Cumberland Valley is a northern constituent valley of the Great Appalachian Valley, within the Atlantic Seaboard watershed in Pennsylvania and Maryland. The Appalachian Trail crosses through the valley.