Thompson River (Montana)

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 / 48.01444°N 115.19083°W / 48.01444; -115.19083
  elevation3,337 ft (1,017 m)
MouthClark Fork
  location
Thompson Falls, Montana
  coordinates
47°34′37″N 115°14′23″W / 47.57694°N 115.23972°W / 47.57694; -115.23972
  elevation
2,405 ft (733 m)
Discharge 
  locationThompson Falls, Montana
  average439 cuft/s
  minimum80 cuft/s
  maximum1,785 cuft/s
Basin features
Tributaries 
  leftLittle Thompson River

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.

The Thompson River is named in honor of David Thompson.