| View KML View WKT | United States Rivers |
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Dearborn River
| States | Montana |
| Length | 70.7 miles |
| Watershed Length* | 187 miles |
| Mouth | Missouri River ⤏ Gulf of Mexico |
| GNIS | 800688 |
Tributaries
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| Name | Distance from Mouth (miles) | Length (miles) | Watershed Length (miles) |
|---|---|---|---|
| Auchard Creek | 23 | 26 | 26 |
| Dearborn River - Middle Fork | 30 | 15 | 15 |
| Dearborn River - South Fork | 26 | 16 | 16 |
| Flat Creek | 13 | 42 | 60 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey