What is Arkansas River?
[[File:Arkansas River (2020).jpg|thumb|right|230px|Headwaters of the Arkansas River in Colorado]] The '''Arkansas River''' is a [[river]] in the [[United States]]. It flows southeast and is a [[tributary]] of the [[Mississippi River]]. It is about {{convert|1469|mi|km}} long. It is the sixth longest river in the United States. The Arkansas begins in the state of [[Colorado]]. Then, it flows through the states of [[Kansas]] and [[Oklahoma]]. It flows into the Mississippi River in [[Arkansas]], which is named for the river. Riverboats go up the Arkansas River as far as Oklahoma. It has several major tributaries. These are the [[Canadian River]], the [[Cimarron River]], and the [[Salt Fork Arkansas River]]. {{US-geo-stub}} {{authority control}} [[Category:Rivers of Kansas]] [[Category:Rivers of Oklahoma]] [[Category:Rivers of Arkansas]] [[Category:Rivers of Colorado]]