The Missouri River is the longest river in North America.

The river derives from Montana, located at the base of the Rocky Mountains, and flows for approximately 2, 341 miles (3, 767 kilometers) before it empties into the Mississippi River just north of St. Louis, Missouri.

The Missouri River and the Mississippi River combine to create the 4th longest river system in the world.

For thousands of years, many people have depended on the Missouri River.

From drinking water to transportation, irrigation, flood control.