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The gaps of the Allegheny, [1] [2] meaning gaps in the Allegheny Ridge (now given the technical name Allegheny Front) in west-central Pennsylvania, is a series of escarpment eroding water gaps (notches or small valleys) along the saddle between two higher barrier ridge-lines in the eastern face atop the Allegheny Ridge or Allegheny Front ...
In the east, they are dominated by a high, steep escarpment known as the Allegheny Front. In the west, they slope down into the closely associated Allegheny Plateau, which extends into Ohio and Kentucky. The principal settlements of the Alleghenies are Altoona, State College, and Johnstown, Pennsylvania; and Cumberland, Maryland.
In the Dolly Sods Wilderness of West Virginia, and southward toward Mount Porte Crayon, the front is topped for more than 10 miles (16 km) by a broad, nearly flat plateau with many wide areas of exposed bedrock along the edge of the escarpment's 2,800-to-3,200-foot (850 to 980 m) drop [10] to the North Fork River to the east, along the front's ...
Escarpment face of a cuesta, broken by a fault, overlooking Trenton, Cloudland Canyon State Park, and Lookout Mountain in the U.S. state of Georgia. An escarpment is a steep slope or long cliff that forms as a result of faulting or erosion and separates two relatively level areas having different elevations.
The Allegheny Plateau (/ ˌ æ l ɪ ˈ ɡ eɪ n i / AL-ig-AY-nee) is a large dissected plateau area of the Appalachian Mountains in western and central New York, northern and western Pennsylvania, northern and western West Virginia, and eastern Ohio. It is divided into the unglaciated Allegheny Plateau and the glaciated Allegheny Plateau.
The Cumberland Plateau is a deeply dissected plateau, with topographic relief commonly of about 400 feet (120 metres), and frequent sandstone outcroppings and bluffs.. At Kentucky's Pottsville Escarpment, which is the transition from the Cumberland Plateau to the Bluegrass in the north and the Pennyrile in the south, there are many spectacular cliffs, gorges, rockhouses, natural bridges, and ...
The Helderberg Escarpment, also known as the Helderberg Mountains, is an escarpment in eastern New York, United States, roughly 11 miles (18 km) west of the city of Albany. [ 2 ] [ 3 ] The escarpment is the northeastern extremity of the Allegheny Plateau.
The Mid State Trail (MST) is a 327-mile (526 km) linear hiking trail located in the Appalachian Mountains and Allegheny Plateau of central Pennsylvania, United States. [1] It is the longest hiking trail in Pennsylvania, and one of just three (with the Appalachian Trail and North Country Trail ) to traverse the state from one border to another.