Where does the missouri river end?

The Missouri River is the longest river in North America. Rising in the Rocky Mountains of western Montana, the Missouri flows east and south for 2,341 miles (3,767 km) before entering the Mississippi River north of St. Louis, Missouri. read more

The Missouri River's waters come from where the Jefferson, Madison and Gallatin Rivers converge. The river was very prone to flooding when the area first began to be settled by European settlers. These floods were a key part of the ecosystem in the area. read more

the Missouri river actually begins in Three Forks Montana and empties into the Mississippi River in North St. Louis, MO. The Ohio river empties into the Mississippi between Cairo, MO and Wycliffe, KY. read more