| View KML View WKT | United States Rivers |
View GeoJSON Search  |
Thompson River
| States | Montana |
| Length | 49.9 miles |
| Watershed Length* | 88 miles |
| Mouth | Clark Fork ⤏ Eastern Pacific Ocean |
| GNIS | 792103 |
Tributaries
Click on a heading to sort by its values. Click again to sort in the opposite direction.
| Name | Distance from Mouth (miles) | Length (miles) | Watershed Length (miles) |
|---|---|---|---|
| Fishtrap Creek | 15 | 20 | 20 |
| Little Thompson River | 18 | 18 | 18 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey