Twin Mountain is a mountain located in Greene County, New York. Twin gets its name from its two summits; the lower, 3,590-ft (1,090 m) peak is about .5 miles (0.8 km) to the southeast of the higher. The mountain is part of the Devil’s Path range of the Catskill Mountains. To the northwest, Twin Mtn. is separated from Sugarloaf Mountain by Pecoy Notch; to the southeast, Twin Mtn. is separated from Indian Head Mountain by Jimmy Dolan Notch.

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