East Fork Arkansas River

East Fork Arkansas River
The East Fork just after it goes under County Road 9 and just before it merges with Tennessee Creek to form the Arkansas River.
Physical characteristics
Source 
  locationMosquito Range
  coordinates39°19′38″N 106°09′56″W / 39.32722°N 106.16556°W / 39.32722; -106.16556
  elevation13,200 ft (4,000 m)
Mouth 
  location
Confluence with Arkansas
  coordinates
39°15′25″N 106°20′38″W / 39.25694°N 106.34389°W / 39.25694; -106.34389
  elevation
9,728 ft (2,965 m)
Basin features
ProgressionArkansasMississippi

East Fork Arkansas River is a 20.6-mile-long (33.2 km) tributary of the Arkansas River that flows from a source on Mount Arkansas in the Mosquito Range of central Colorado. It joins with Tennessee Creek to form the Arkansas River west of Leadville, Colorado.