Question

Which mountain ranges are part of the Appalachian System of the Northeast U.S.?

Answer 1

New York's Catskill Mountains are in central Appalachia, as are the beginnings of the Blue Ridge range in southern Pennsylvania and the Allegheny Mountains, which rise in southwestern New York and cover parts of western Pennsylvania, western Maryland, and eastern Ohio before merging into the third, or southern, region.

Answer 2

Blue ridge , cumberland mountains