|Spruce Knob of Spruce Mountain, Pendleton County, WV
|4,863 ft (1,482 m)
|Maryland, Pennsylvania, Virginia and West Virginia
|Type of rock
|Sandstone and Quartzite
The Allegheny Mountain Range (also spelled Alleghany and Allegany) is a mountain range in Maryland, Pennsylvania, Virginia, and West Virginia. The Allegheny mountains are a part of the Appalachian Mountains in the eastern United States and Canada.