Firehole Basin

The Firehole River is located in northwestern Wyoming, and is one of the two major tributaries of the Madison River. It flows north approximately 21 miles from its source in Madison Lake on the Continental Divide to join the Gibbon River at Madison Junction in Yellowstone National Park. It is part of the Missouri River system.
  • Country: United States
  • State: Wyoming
  • Source: Madison Lake
  • Mouth: Madison River
  • Length: 21 mi (34 km)
Data from: en.wikipedia.org