The major tributary of the Mississippi River that flows in the southeasterly direction to join the Mississippi River near St. Louis is the Missouri River. The Missouri River and the Mississippi River join at the border between Missouri and Illinois.
The Missouri River is actually a major tributary to the Mississippi River, so the question does not make sense
The Arkansas River.
Arkansas river
The Missouri is a tributary of the Mississippi river. The Missouri is longest river at 2,500 miles. When the Missouri joins the Mississippi they become the largest river system in the world.
The Missouri joins the Mississippi near St. Louis, Missouri.
The major river that flows through the region and joins the Mississippi River is the Missouri River. It is the longest river in North America and serves as a significant tributary to the Mississippi, contributing to its flow and drainage system. The confluence of the Missouri and Mississippi rivers occurs near St. Louis, Missouri. This junction plays a crucial role in the hydrology and ecology of the surrounding areas.
The Missouri river joins the Mississippi at St. Louis.
In the central United States, several rivers serve as tributaries to the Mississippi River, including the Missouri River, the Arkansas River, and the Ohio River. The Missouri River is the longest tributary, flowing from the Rocky Mountains into the Mississippi near St. Louis, Missouri. The Ohio River, which joins the Mississippi at Cairo, Illinois, is another significant tributary, draining parts of several states. Additionally, the Illinois River and the Red River are also important tributaries within this region.
St Louis lies on the west bank of the Mississippi River. Just north of the city proper, the Missouri River joins the Mississippi.
missouri
The Missouri River joins the Mississippi very near St Louis.
St. louise river