Lake Tetonkaha
| Lake Tetonkaha | |
|---|---|
| Location | Brookings County, South Dakota |
| Coordinates | 44°26′03″N 96°59′33″W / 44.43417°N 96.99250°W |
| Type | lake |
| Basin countries | United States |
| Surface elevation | 1,627 ft (496 m) |
Lake Tetonkaha is a natural lake in South Dakota, in the United States.
Tetonkaha is a name derived from the Sioux language meaning "standing of the big lodging house".