Millbrook Mountain Millbrook Mountain Location of Millbrook Mountain within New York Show map of New York Millbrook Mountain Millbrook Mountain (the United States) Show map of the United States Highest point Elevation 1,604 feet (489 m) Coordinates 41°42′30″N 74°13′34″W﻿ / ﻿41.70833°N 74.22611°W﻿ / 41.70833; -74.22611Coordinates: 41°42′30″N 74°13′34″W﻿ / ﻿41.70833°N 74.22611°W﻿ / 41.70833; -74.22611 [1] Geography Location Benton Corners, New York, U.S. Topo map USGS Gardiner