| Red Kill Ridge | |
| Location: | Denver, New York, U.S. |
| Coordinates: | 42.2281°N -74.5422°W |
| Coordinates Ref: | [1] |
| Topo: | USGS Fleischmanns |
| Map: | New York#USA |
Red Kill Ridge is a mountain located in the Catskill Mountains of New York northeast of Denver. It is also referred to as Butternut Mountain. It is named after the nearby Red Kill. Cator Roundtop is located northwest, White Man Mountain is located north, and Red Mountain is located north of Red Kill Ridge.