State Topography: Allegheny Mountains run southwest to northeast, with piedmont and coastal plain in southeast triangle; Allegheny Front a diagonal spine across the states center; northwest rugged plateau falls to Lake Erie lowlands
Location: 40.276N, 076.884W
5 Largest Cities: Philadelphia, Pittsburgh, Allentown, Erie, Upper Darby Twp
Places to Stay Tips Hotel Tip. As soon as you check into your room, walk down the hall in both directions and count the number of doorways to the fire exits in both directions.
Hotel Tip. As soon as you check into your room, walk down the hall in both directions and count the number of doorways to the fire exits in both directions. 
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