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Thompson River (Montana) facts for kids

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Thompson River
Country United States
State Montana
County Sanders County
Physical characteristics
Main source Rocky Mountains, Montana
3,337 ft (1,017 m)
River mouth Clark Fork
Thompson Falls, Montana
2,405 ft (733 m)
Basin features
  • Left:
    [[Little 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.

The Thompson River is named in honor of David Thompson.


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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