Crumhorn Lake is a lake located northeast of the hamlet of Portlandville in the Town of Milford in Otsego County, New York.
| Crumhorn Lake | |
|---|---|
  Crumhorn Lake Location of Crumhorn Lake within New York State  Crumhorn Lake Crumhorn Lake (the United States) | |
| Location | Otsego County, New York |
| Coordinates | 42°33′28″N 74°55′18″W / 42.55778°N 74.92167°W |
| Surface area | 62 acres (25 ha) |
| Surface elevation | 1,831 feet (558 m)[1] |
| Settlements | Portlandville, New York |