  Calumet Island Location of Calumet Island in New York State | |
| Geography | |
|---|---|
| Location | St. Lawrence River |
| Coordinates | 44°15′00″N 76°05′42″W / 44.25000°N 76.09500°W |
| Highest elevation | 253 ft (77.1 m)[1] |
| Administration | |
| State | New York |
| County | Jefferson |
| Town | Clayton |
| Owner | Private |
Calumet Island is an island on the St. Lawrence River, located in the Town of Clayton in Jefferson County, New York.[1] The island formerly featured one of the earliest examples of the large castles built in the Thousand Islands region during the late 19th and early 20th centuries, of which Boldt Castle is a surviving example.
- ^ a b "Calumet Island". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved September 20, 2015.