| View KML View WKT | United States Rivers |
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St. Regis River
| States | Montana |
| Length | 40.3 miles |
| Watershed Length* | 54 miles |
| Mouth | Clark Fork ⤏ Eastern Pacific Ocean |
| GNIS | 789958 |
Tributaries
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| Name | Distance from Mouth (miles) | Length (miles) | Watershed Length (miles) |
|---|---|---|---|
| Twelvemile Creek | 13 | 14 | 14 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey