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)
Arial Calibri Berlin Sans FB Baskerville Old Face Franklin Gothic Demi Cond Georgia Verdana Office Theme The 5 Major Geographic Regions of Pennsylvania The Atlantic Coastal Plain Region The Piedmont Region The Ridge and Valley Region The Allegheny Plateau Region The Erie Plain Region.