Verplanck is a hamlet and census-designated place (CDP) in the town of Cortlandt, Westchester County, New York, United States. As of the 2010 census it had a population of 1,729. Both the hamlet and Verplanck's Point derive their name from the activities of the Verplanck family, established in New Amsterdam by Abraham Isaacsen Verplanck in the 1630s.

Cortlandt is a town in Westchester County, New York, United States, located at the northwestern edge of the county, at the eastern terminus of the Bear Mountain Bridge. The town includes the villages of Buchanan and Croton-on-Hudson.