Tags: Mountain Range.
For individual mountains with a similar name see Allegheny Mountain (disambiguation).The Allegheny Mountain Range /ælɨˈɡeɪni/ — also spelled Alleghany Allegany and informally the Alleghenies — is part of the vast Appalachian Mountain Range of the eastern United States and Canada where it posed a significant barrier to land travel in less technologically advanced historical eras.
