<P> Into western Arkansas , the river path works between the encroaching Boston and Ouachita Mountains , including many isolated , flat - topped mesas , buttes , or monadnocks such as Mount Nebo , Petit Jean Mountain , and Mount Magazine , the highest point in the state . The river valley then expands as it encounters much flatter land beginning just west of Little Rock , Arkansas . It continues eastward across the plains and forests of eastern Arkansas until it flows into the Mississippi River . </P>
<P> Into western Arkansas , the river path works between the encroaching Boston and Ouachita Mountains , including many isolated , flat - topped mesas , buttes , or monadnocks such as Mount Nebo , Petit Jean Mountain , and Mount Magazine , the highest point in the state . The river valley then expands as it encounters much flatter land beginning just west of Little Rock , Arkansas . It continues eastward across the plains and forests of eastern Arkansas until it flows into the Mississippi River . </P>
where does the arkansas river join the mississippi river
where does the arkansas river join the mississippi river
eastern Arkansas
eastern Arkansas