Cottonwood Lake (Codington County, South Dakota)
| Cottonwood Lake | |
|---|---|
| Location | Codington County, South Dakota |
| Coordinates | 45°06′34″N 97°13′29″W / 45.1093570°N 97.2247008°W |
| Type | lake |
| Surface elevation | 1,781 feet (543 m) |
Cottonwood Lake is a lake in South Dakota, in the United States.
The lake was so named on account of the cottonwood trees which grew there.