Prospect Hill is a mountain in the Catskill Mountains of Greene County, New York, northwest of Prattsville. It is part of a cluster of nearby elevations and landmarks, including Negro Hill to the west-northwest, Dog Hill to the northeast, and Pratt Rocks to the east-southeast. As one of the local heights surrounding Prattsville, it helps define the rugged terrain and tightly grouped summits that characterize this part of the Catskills.