| Lake Hillcrest | |
| Location: | Madison County |
| Coords: | 38.7484°N -89.9934°W |
| Type: | reservoir |
| Basin Countries: | United States |
| Length: | 0.593miles |
| Width: | 0.17miles |
| Area: | 20.4acres |
| Depth: | 10feet-15feetft (-ft) |
| Max-Depth: | 44feet |
| Shore: | 8.53miles |
| Elevation: | 155m (509feet) |
| Islands: | none |
| Cities: | Hillcrest, Illinois |
| Pushpin Map: | Illinois#USA |
| Pushpin Map Alt: | Location of Lake Hillcrest in Illinois, USA. |
Lake Hillcrest is a lake in Madison County, Illinois, United States.