Lewis River Wyoming

The Lewis River is an 18.1-mile-long tributary of the Snake River. The entire course of the river is located within the boundaries of Yellowstone National Park in Wyoming, US. The river is named for Meriwether Lewis, commander of the Lewis and Clark Expedition.
  • Country: United States
  • State: Wyoming
  • Mouth: Snake River
  • Length: 18 mi (29 km)
Data from: en.wikipedia.org