| View KML View WKT | United States Rivers |
View GeoJSON Search  |
Big Rock Creek -West Branch
| States | Illinois |
| Length | 13.6 miles |
| Watershed Length* | 14 miles |
| Mouth | Big Rock Creek ⤏ Gulf of Mexico |
| GNIS | 422144 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey