Member Login. The following was included in TCTA's 2015-16 Survival Guide, the ultimate reference tool for Texas educators, and is current as of September 2015 but is subject to change.
The Allegheny Mountains run diagonally from the southwest to the northeast with piedmont and coastal plains in the southeast triangle. The Allegheny Front, as it's called, cuts a diagonal line across the state. In the northwest, the plateau falls to the Lake Erie lowlands and, finally, Lake Erie. ( Pennsylvania Close-up)
The Blue Ridge, the Cumberland Plateau, and the Valley and Ridge are all part of the Appalachian Mountainsalso known as Appalachia. The part of Appalachia known as the Blue Ridge is technically called the Blue Ridge province, which should be distinguished from the Blue Ridge Mountains.The Blue Ridge province, which stretches from northern Georgia to southern Pennsylvania, contains many different mountain ranges.he part of Appalachia known as the Blue Ridge is technically called the Blue Ridge province, which should be distinguished from the Blue Ridge Mountains.