Greenfield Mountain should not be confused with Mount Greenfield.
| Greenfield Mountain | |
| Location: | NNW of Little Rapids, New York, USA |
| Coordinates: | 44.0481°N -74.9013°W |
| Coordinates Ref: | [1] |
| Topo: | USGS Five Ponds |
| Map: | New York Adirondack Park#USA |
Greenfield Mountain is a summit in Herkimer County, New York in the Adirondack Mountains. It is located north-northwest of Little Rapids in the Town of Webb. Deer Mountain is located southeast and Partlow Mountain is located west of Greenfield Mountain.