"For individual mountains with a similar name, see Allegheny Mountain (disambiguation).The Allegheny Mountain Range /\u00E6l\u0268\u02C8\u0261e\u026Ani/\u2014also spelled Alleghany, Allegany and, informally, the Alleghenies\u2014is 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 eras."@en . . . . . .