- Allegheny Mountains
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a mountain range in Pennsylvania, Maryland, West Virginia, and Virginia: a part of the Appalachian Mountains. Also called Alleghenies.
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Ranges of the Appalachian system in Pennsylvania, Maryland, Virginia, and West Virginia, U.S., west of and generally parallel to the Blue Ridge Mountains.They extend some 500 mi (800 km) south-southwestward, with heights of more than 4,800 ft (1,460 m). The eastern slope is sometimes called the Allegheny Front, while the Allegheny Plateau spans the entire upland area from the Cumberland Plateau to the Mohawk Valley in New York.* * *
▪ mountains, United Statesalso called Allegheniesmountainous eastern part of the Allegheny Plateau in the Appalachian Mountains, U.S. The Allegheny range extends south-southwestward for more than 500 miles (800 km) from north-central Pennsylvania to southwestern Virginia. Rising to Mount Davis (Davis, Mount) (3,213 feet [979 m]; highest point in Pennsylvania) and Spruce Knob (4,863 feet [1,482 m]; highest point in West Virginia), the mountains consist of nearly parallel northeast–southwest ridges that are drained through the gorges cut by the North Branch of the Potomac and the New rivers. Parts of the Monongahela, George Washington, and Jefferson national forests encompass the mountains, which are noted for their scenic beauty. Once forming a barrier to western communication, they are now crossed by many railroads and highways. The name Alleghenies is also used in reference to the Allegheny Plateau.* * *
Universalium. 2010.