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Mount Marcy

New York’s Highest Mountain

Mountain on Marcy Trail Via Four Corners, Van Hoevenberg Trail to Marcy in High Peaks Wilderness, Adirondack Park, Adirondack Mountains near Tahawus Club, NY

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Mount Marcy (Mohawk: Tewawe’éstha) is the highest point in New York State, with an elevation of 5,343 feet (1,629 m). It is located in the Town of Keene in Essex County. The mountain is in the heart of the Adirondack High Peaks Region of the High Peaks Wilderness Area. Its stature and expansive views make it a popular destination for hikers, who crowd its summit in the summer months. Lake Tear of the Clouds, at the col between Mt. Marcy and Mt. Skylight, is often cited as the highest source of the Hudson River, via Feldspar Brook and the Opalescent River, even though the main stem of the Opalescent River has as its source a higher point two miles north of Lake of the Clouds, and that stem is a mile longer than Feldspar Brook.

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Mountain

Geologic Formation

Metanorthosite and anorthositic gneiss (NYYa;1)

Geologic Formation