| View KML View WKT | United States Rivers |
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Flatwillow Creek
| States | Montana |
| Length | 139.7 miles |
| Watershed Length* | 867 miles |
| Mouth | Musselshell River ⤏ Gulf of Mexico |
| GNIS | 798831 |
Tributaries
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| Name | Distance from Mouth (miles) | Length (miles) | Watershed Length (miles) |
|---|---|---|---|
| Alkali Creek | 47 | 18 | 18 |
| Box Elder Creek | 17 | 132 | 596 |
| Flatwillow Creek - North Fork | 140 | 29 | 29 |
| Flatwillow Creek - South Fork | 140 | 28 | 28 |
| Pike Creek | 61 | 34 | 56 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey