| Swan Lake | |
| Image Bathymetry: | Swan Lake Carroll Cty IA.gif |
| Coords: | 42.0336°N -94.8403°W |
| Area: | 1161NaN1 |
| Elevation: | 385m (1,263feet) |
| Pushpin Map: | Iowa#USA |
| Pushpin Map Alt: | Location of Swan Lake in Iowa, USA. |
Swan Lake is a 1161NaN1 reservoir on an unnamed tributary of the Middle Raccoon River, just south and east of Carroll, Iowa. It is the southern terminus of the Sauk Rail Trail, a path linking the lake to Black Hawk State Park in Sac County.