Arkansas River
The Arkansas River flows 1,469 miles from its headwaters near Leadville,
Colorado through Kansas, Oklahoma, and Arkansas to its confluence with
the Mississippi River. The Colorado Arkansas (Granite to Pueblo Reservoir,
152 miles) is the highest-volume commercial whitewater river in the United
States, running more than 300,000 commercial passenger-days annually.
Key reaches: The Numbers (Class IV), Pine Creek (Class V), Browns Canyon
National Monument (Class III-IV), Big Horn Sheep Canyon (Class II-III),
and the Royal Gorge (Class IV-V). Peak flows June–July tied to Leadville
snowmelt and Tw...
🗺 Explore map
Click any point for details. Sections without stored geometry are drawn as straight put-in → take-out lines — actual courses follow the river.