GEOGRAPHY THROUGH MAPS
Missouri River
The Missouri begins at the confluence of the Jefferson, Madison and Gallatin rivers in Montana and crosses the Great Plains before joining the Mississippi near St. Louis. Its headwater system extends into the Rockies.
Fast Facts
- Yellowstone and Platte are major tributaries.
- It enters the Mississippi from the right bank facing downstream.
- The Missouri–Mississippi combination is the continent’s longest conventionally measured river system.
Connected lessons
- Missouri RiverMap, explanation and practice
- Relief, grasslands and economic activityGuided exploration
Geographical connections
- Rocky MountainsRelated places
- PrairiesRelated places
- Mississippi RiverRelated places
- Arkansas RiverRelated places
- Mississippi RiverTributary of