| South Mountain | |
| Location: | Walton, New York, U.S. |
| Coordinates: | 42.1386°N -75.1417°W |
| Coordinates Ref: | [1] |
| Topo: | USGS Walton West |
| Map: | New York#USA |
South Mountain is a mountain located in the Catskill Mountains of New York south of Walton. Walton Mountain is located west-northwest, Bear Spring Mountain is located north, and Houck Mountain is located south of South Mountain.