Butterfly Lake
| Butterfly Lake | |
|---|---|
| Location | Ste. Genevieve County, Missouri |
| Coordinates | 37°47′32″N 90°14′57″W / 37.7921129°N 90.2490296°W |
| Type | reservoir |
| Basin countries | United States |
| Surface elevation | 764 ft (233 m) |
Butterfly Lake is a reservoir in Ste. Genevieve County in the U.S. state of Missouri.
Butterfly Lake was so named because its outline has the shape of a butterfly.