Some of the major tributaries of the Mississippi River include Big Black River, Red River, White River, Arkansas River and Ohio River. Major sub-tributaries include the Tennessee River and the Platte River.
Other major tributaries of the Mississippi include Maquoketa River, Wisconsin River, Chippewa River, St. Croix River and Minnesota River. The Mississippi River has tributaries in several states, including Mississippi, Louisiana, Illinois, Arkansas, Kentucky and Missouri.
The Mississippi River is 2,348 miles long, running from Lake Itasca in Minnesota to the Gulf of Mexico in Louisiana. It is the second longest river in the United States. The river forms the borders for eight states and runs through two others.