Grass Lake (Minnehaha County, South Dakota)
| Grass Lake | |
|---|---|
| Location | Minnehaha County, South Dakota |
| Coordinates | 43°35′22″N 97°02′21″W / 43.5894972°N 97.0391571°W |
| Type | lake |
| Surface elevation | 1,572 feet (479 m) |
Grass Lake is a natural lake in South Dakota, in the United States.
Grass Lake received its name from the abundance of marsh grass within it.