Lake Marsh (South Dakota)
| Lake Marsh | |
|---|---|
| Location | Hamlin County, South Dakota |
| Coordinates | 44°38′39″N 97°14′33″W / 44.6442°N 97.2425°W |
| Type | lake |
| Basin countries | United States |
| Surface elevation | 1,670 ft (510 m) |
Lake Marsh is a natural lake in South Dakota, in the United States.
Lake Marsh has all of the qualities of a marsh, hence the name.