Upper Pepper Island is an island on the Mohawk River south of Fort Johnson in Montgomery County, New York.
  Upper Pepper Island | |
| Geography | |
|---|---|
| Location | Mohawk River |
| Coordinates | 42°57′14″N 74°15′39″W / 42.95389°N 74.26083°W[1] |
| Highest elevation | 282 ft (86 m) |
| Administration | |
 United States | |
| State |  New York |
| County | Montgomery |
| Town | Amsterdam |