Thompson River (Montana)

The Thompson River is a tributary of the Clark Fork in the U.S. state of Montana. It is part of the Columbia River basin, as Clark Fork is a tributary of the Pend Oreille River, which is a tributary of the Columbia River.

For rivers with similar names, see Thompson River (disambiguation).
Thompson River
Location of the mouth of the Thompson River in Montana
Location
CountryUnited States
StateMontana
CountySanders County
Physical characteristics
Source 
 • locationRocky Mountains, Montana
 • coordinates48°0′52″N 115°11′27″W[1]
 • elevation3,337 ft (1,017 m)[2]
MouthClark Fork
 • location
Thompson Falls, Montana
 • coordinates
47°34′37″N 115°14′23″W[1]
 • elevation
2,405 ft (733 m)[3]
Discharge 
 • locationThompson Falls, Montana
 • average439 cuft/s [4]
 • minimum80 cuft/s
 • maximum1,785 cuft/s

The Thompson River is named in honor of David Thompson.

Course

The Thompson River originates in Upper Thompson Lake and flows generally south to join Clark Fork near the town of Thompson Falls.

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See also

References
  1. U.S. Geological Survey Geographic Names Information System: Thompson River
  2. Source elevation derived from Google Earth search using GNIS source coordinates.
  3. Mouth elevation derived from Google Earth search using GNIS mouth coordinates.
  4. https://waterdata.usgs.gov/mt/nwis/uv/?site_no=12389500&PARAmeter_cd=00065,00060,00010



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