List of mountains of New York (state)
There are three major mountain ranges in New York: the Adirondack Mountains, the Catskill Mountains, and part of the Appalachian Mountains. == Adirondack Mountains == The Adirondack Mountains are sometimes considered part of the Appalachians but, geologically speaking, are a southern extension of the Laurentian Mountains of Canada.
Source: Wikipedia — List of mountains of New York (state) (CC BY-SA 4.0)