It's the Ohio river, Missouri river, and Arkansas river.
***2nd Answerer says: The mighty Mississippi River has many tributaries. So many that it is usually divided into three sections: the Upper Mississippi, the Middle Mississippi, and the Lower Mississippi.
The Upper Mississippi flows about 1150 miles (about 1,500 km) from Lake Itasca in Clearwater County, Minnesota to St.Louis, Missouri. Along the way, it is fed by such tributaries as the Minnesota River, the St. Croix River, the Cannon River, the Zumbro River, the Black River, the La Crosse River, the Root River, the Wisconsin River, the Rock River, the Iowa River, the Skunk River, the Des Moines River, the Crow River, the Chippewa River, the Maquoketa River, the Wapsipinicon River, and the Illinois River.
The Middle Mississippi section begins with it's confluence with the Missouri River, about 200 miles (300 km or so), to its confluence with the Ohio River. Along the way it is fed by the Meramec River and the Kaskaskia River.
The Lower MIssissippi section begins with the confluence of the Ohio River, about 1,000 miles (1,600 km or so), to the Gulf of Mexico. Major tributaries include the White River, the Arkansas River, the Big Black River, and the Yazoo River.
The three tributaries of the MISSISSIPPI RIVER is Missouri RIVER,Ohio RIVER,Arkansas RIVER.
Due to its great length, there are many tributaries of the Mississippi River. Five of these tributaries are the St. Croix River, the Missouri River, the Ohio River, the Rock River, and the White River.
La Salle claimed the Mississippi River and its tributaries for the French.
Mississippi.
The Ohio River, Illinois River, and Missouri River are tributaries of the Mississippi River.
Illinois River. That river goes into the Mississippi River.
If you are asking about the US, then it is the Mississippi river and its tributaries.
There are several tributaries to the Mississippi River. The first tributary is the Missouri River at 2,714 miles. The second tributary is the Ohio River at 980 miles. The last tributary is the Arkansas River at 1,430 miles.
There are several tributaries to the Mississippi River. Five of these tributaries are the Missouri, Ohio, Arkansas, Black, and Red Rivers.
Examples of tributaries include the Missouri River, which is a tributary of the Mississippi River; the Willamette River, which is a tributary of the Columbia River; and the Illinois River, which is a tributary of the Mississippi River.
The tributaries of a river are the streams or smaller rivers that join the main river. for example, the Missouri River is the chief tributary of the Mississippi.
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