Lake Upsilon
| Lake Upsilon | |
|---|---|
| Location | Rolette County, North Dakota |
| Coordinates | 48°58′05″N 99°50′20″W / 48.968°N 99.839°W |
| Type | lake |
| Basin countries | United States |
| Surface area | 422 acres (1.71 km2) |
| Max. depth | 27 ft (8.2 m) |
| Surface elevation | 2,106 ft (642 m) |
Lake Upsilon is a lake in Rolette County, North Dakota, in the United States.
This lake was so named on account of its shape, upsilon meaning Y in Greek.