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Thompson River (Montana)

Coordinates: 47°34′37″N 115°14′23″W / 47.57694°N 115.23972°W / 47.57694; -115.23972
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Thompson River
Thompson River (Montana) is located in Montana
Thompson River (Montana)
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[1]
 • elevation3,337 ft (1,017 m)[2]
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[1]
 • elevation
2,405 ft (733 m)[3]
Discharge 
 • locationThompson Falls, Montana
 • average439 cuft/s [4]
 • 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.

Course

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

See also

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References

[edit]
  1. ^ a b 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. ^ "USGS Current Conditions for USGS 12389500 Thompson River near Thompson Falls MT".