| View KML View WKT | United States Rivers |
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Portneuf River
| States | Idaho |
| Length | 116.1 miles |
| Watershed Length* | 191 miles |
| Mouth | Snake River ⤏ Eastern Pacific Ocean |
| GNIS | 388793 |
Tributaries
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| Name | Distance from Mouth (miles) | Length (miles) | Watershed Length (miles) |
|---|---|---|---|
| Marsh Creek | 29 | 56 | 75 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey