Crystal Lake (South Dakota)
| Crystal Lake | |
|---|---|
| Location | Aurora County, South Dakota | 
| Coordinates | 43°38′39″N 98°34′10″W / 43.6441594°N 98.5694746°W | 
| Type | lake | 
| Surface elevation | 1,585 feet (483 m) | 
Crystal Lake is a lake in South Dakota, in the United States.
Crystal Lake was so named on account of its crystal-clear water.