Pennsylvania’s most prominent mountain range is the Appalachian Mountains. The Alleghany Mountains and the Pocano Mountains are the largest subranges in Pennsylvania. Most of the landscape in the state is mountainous.
The Appalachian Mountain Range traverses the entirety of Pennsylvania as well as other states to the north and south. The Alleghany Mountain Range is located within the western-central Appalachians. The Pocano Mountain Range is located in the state’s northeastern region. The Bear Pond Mountains, the Blue Ridge Mountains, the Conewago Mountains, and the Endless Mountains are more mountain ranges in Pennsylvania. There are also the Moosic Mountains and the Town Hill Mountain Range.