Flowing eastward through the plains of eastern Montana, the Missouri receives the Poplar River from the north before crossing into North Dakota where the Yellowstone River, its greatest tributary by volume, joins from the southwest. At the confluence, the …

It begins in southern Montana in the Rocky Mountains, first flowing north then generally southeast across the heart of the United States, ending at the Mississippi River, just to the north of St. Louis, Missouri. It is the longest river in the United States (2,500 miles) (4,023 km).

Jul 8, 2023 · On a map, the Missouri River can be seen as a prominent blue line stretching from its source in Montana to its confluence with the Mississippi River in Missouri, traversing through various states along its course.

Feb 1, 2025 · Missouri River, longest tributary of the Mississippi River and second longest river in North America. It is formed by the confluence of the Jefferson, Madison, and Gallatin rivers in the Rocky Mountains area of southwestern Montana (Gallatin county), U.S., about 4,000 feet (1,200 metres) above sea level. The Missouri proper has a total course ...

Map of the Missouri River and its tributaries inNorth America. Fishermen may encounter some rare native species in the area, including prehistoric-looking paddlefish or the endangered pallid sturgeon among some 150 species of fish within the entire Missouri River Basin.

Apr 15, 2021 · Map of the Missouri River in the United States. The headwaters of the Missouri River are formed by the confluence of the Jefferson, Gallatin, and Madison Rivers in the Rocky Mountains, southwestern Montana.

Missouri River - Rulo to Mouth Navigation Maps - National Current Conditions • Forecast Information • Reports & Publications • Information • Links

Mar 27, 2018 · Map of the Missouri River Basin and locations of the reconstructed naturalized stream gage records, and the network of tree-ring chronologies used in the reconstructions.

Mackay shared this map with Clark. It became an important tool for Lewis and Clark’s navigations of the Missouri River. Clark would later make a map of this territory. Like Mackay, he relied on Indigenous knowledge of rivers, mountains, streams, and trails.

Click on a map to view its topography, its elevation and its terrain. Average elevation: 1,207 ft • Missouri River, Precinct 6, Cedar County, Nebraska, United States • Elevations in the watershed vary widely, ranging from just over 400 feet (120 m) at the Missouri's mouth to the 14,293-foot (4,357 m) summit of Mount Lincoln in central Colorado.