3D Pennsylvania: Geographic Regions & Counties Explorer

Commonwealth of Pennsylvania True 3D Shape

Authentic PA Borders • 5 Physiographic Regions • 67 Counties

Physiographic Region

Allegheny Plateau

Largest region covering north & western PA

A deeply dissected plateau formed from ancient layered sedimentary rocks. It features rolling hills, deep river gorges (like Pine Creek Gorge / PA Grand Canyon), dense hardwood forests, and coal and gas reserves.

Elevation 1,200 - 2,500 ft

Coverage Area ~60% of State

Key Highlights & Counties

Allegheny, Erie, Potter, Tioga, Warren
PA Grand Canyon, Allegheny National Forest
Allegheny River, Clarion River, Ohio River basin

⛰️ Allegheny Mountains Front

Forms the dramatic eastern escarpment separating the high plateau from the folded ridge & valley province.

💡 Click any region on the 3D map

Notice: The interactive 3D Pennsylvania terrain viewer is optimized for desktop and laptop computers. Mobile browsers are currently not supported due to the graphics performance required for 3D rendering. We apologize for the inconvenience!

Question loading...