Rosendale is a town in the center of Ulster County, New York, United States. It once contained a village of the same name, which was dissolved through a vote. ROSENDALE was formed from Marbletown, New Paltz and Hurley, April 26, 1844. It is an interior town, lying east of the center of the County. The surface is a rolling and broken upland, the highest summits being from 200 to 500 feet (150 m) above the valleys. Rondout Creek flows north-east through the town near the center, receiving Coxingkill from the south, and Cottlekill from the north.