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Mackinaw River
| States | Illinois |
| Length | 129.7 miles |
| Watershed Length* | 370 miles |
| Mouth | Illinois River ⤏ Gulf of Mexico |
| GNIS | 403283 |
Tributaries
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| Name | Distance from Mouth (miles) | Length (miles) | Watershed Length (miles) |
|---|---|---|---|
| Dillon Creek | 19 | 18 | 18 |
| Henline Creek | 107 | 18 | 18 |
| Little Mackinaw River | 31 | 19 | 19 |
| Money Creek | 85 | 36 | 36 |
| Mud Creek | 39 | 19 | 19 |
| Panther Creek | 66 | 27 | 55 |
| Prairie Creek | 32 | 15 | 15 |
| Rock Creek | 55 | 18 | 18 |
| Sixmile Creek | 79 | 17 | 17 |
| Walnut Creek | 60 | 25 | 25 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey