Firehole River

Firehole River
Firehole River
Firehole River near South Scalloped Spring
Firehole River (the United States)
Location
CountryUnited States
StateWyoming
Physical characteristics
SourceMadison Lake
  locationYellowstone National Park, Wyoming
  coordinates44°20′37″N 110°52′43″W / 44.34361°N 110.87861°W / 44.34361; -110.87861
MouthMadison River
  location
Madison Junction, Wyoming
  coordinates
44°38′32″N 110°51′56″W / 44.64222°N 110.86556°W / 44.64222; -110.86556
Length21 mi (34 km)
Discharge 
  locationWest Yellowstone
  average307 cu ft/s (8.7 m3/s)
Basin features
Tributaries 
  leftSentinel Creek, Fairy Creek, Little Firehole River, Iron Spring Creek
  rightNez Perce Creek

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 (34 km) 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.