South Glens Falls is a village in Saratoga County, New York, United States. The population was 3,744 at the 2020 census. The village is in the northern part of the Town of Moreau, south of the City of Glens Falls. Cooper's Cave, shown on the village seal, is named after the author James Fenimore Cooper. Cooper was inspired to use the area as a location in his novel, The Last of the Mohicans, after visiting the area.