🏔️ Overview The Allegheny Plateau is a large physiographic region of the eastern United States forming part of the greater Appalachian Plateau. Despite its name, it is not a high mountain range but a deeply dissected plateau—an elevated region that has been extensively eroded by rivers and streams, creating rugged hills, steep valleys, and complex […]
Western Pennsylvania is a distinct geographic and cultural region comprising the 23 to 33 counties (depending on the definition) located west of the Appalachian Divide. Historically the industrial heart of the United States, the region is characterized by its rugged plateau topography, three major river systems, and a complex transition from a “Steel City” legacy
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The Monongahela River (locally known as “the Mon”) is a 128-mile-long (206 km) river in the eastern United States. It flows from its source in north-central West Virginia northward into Western Pennsylvania, where it meets the Allegheny River at Pittsburgh’s Point State Park to form the Ohio River. 🗺️ Historically dubbed the “Ruhr of America,”