description Arkansas River Overview
The Arkansas River is a major tributary of the Mississippi River and a principal watercourse of the central United States. It rises in the Rocky Mountains of Colorado and flows about 1,469 miles through Colorado, Kansas, Oklahoma, and Arkansas before joining the Mississippi. The river supports irrigation, municipal water supplies, navigation, recreation, and habitats ranging from mountain valleys to Great Plains and delta landscapes.
help Arkansas River FAQ
Where does the Arkansas River flow?
The Arkansas rises in the Rocky Mountains of Colorado and flows through Colorado, Kansas, Oklahoma, and Arkansas. It eventually joins the Mississippi River.
How long is the Arkansas River?
The Arkansas River runs for about 1,469 miles. It is one of the principal rivers of the central United States.
Is the Arkansas River a tributary of the Mississippi?
Yes. The Arkansas is a major tributary of the Mississippi River, joining that larger river after crossing four states.
What kind of landscape does the Arkansas River cross?
The river begins in the high Rocky Mountains and then crosses the Great Plains and central lowlands. Its route therefore changes from mountainous terrain to broad prairie and agricultural regions.
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