Cottonwood Lake (Clark County, South Dakota)
| Cottonwood Lake | |
|---|---|
| Location | Clark County, South Dakota |
| Coordinates | 45°07′40″N 97°41′58″W / 45.1276426°N 97.6994205°W |
| Type | lake |
| Surface elevation | 1,791 feet (546 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.