New York, United States
Slide Mountain is the highest peak in the Catskills. It is located in the Town of Shandaken in Ulster County, in southern New York. While the 4180 feet contour line on topographic maps is generally accepted as its height, the exact elevation of the summit has never been officially determined by the U.S. Coast and Geodetic Survey, and many informal surveys suggest the mountain may actually top 4,200 feet (1,280 m) above sea level.
While it was not identified as the range's highest peak until the late 19th century, it has played a prominent role in Catskill history ever since. Renowned naturalist John Burroughs wrote memorably of his climbs up Slide, and it helped get the Catskills added to New York's Forest Preserve. Bicknell's thrush was first identified on its summit.