Missouri River: Quick Facts

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Last updated

Nov. 14, 2026

News •

Luxury resort with indoor beaches, hotel, cabanas proposed on St. Charles riverfront • Nov. 13, 2026, 9:00 AM ET (St. Louis Post-Dispatch)

Montana explores possibility of stocking bighorn sheep on private land • Nov. 5, 2026, 3:00 AM ET (The Spokane Spokesman-Review)

Could Missouri River water get piped to Western states? A new front opens in the fight • Nov. 3, 2026, 2:44 PM ET (St. Louis Post-Dispatch)

Photos

The upper Missouri River at Gates of the Mountains, western Montana, north of Helena.

Map of the Missouri River Basin highlighting major rivers, tributaries, dams, and reservoirs. The basin covers parts of Montana, North Dakota, South Dakota, Nebraska, Wyoming, Colorado, Kansas, and Missouri, with the Missouri River shown flowing east and south from the Rocky Mountains to its confluence with the Mississippi River. Major dams such as Fort Peck, Garrison, Oahe, Big Bend, Fort Randall, and Gavins Point are labeled along the river, and the basin boundary is marked, showing the extent

Lewis and Clark Expedition

Black Eagle Dam and (foreground) Black Eagle Falls on the Missouri River, near Great Falls, west-central Montana, U.S.

Fort Peck Dam on the Missouri River near Glasgow, northeastern Montana, U.S.

Fort Randall Dam

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Topics

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water glass on white background. (drink; clear; clean water; liquid)

Water and its Varying Forms

Tower Bridge over the Thames River in London, England. Opened in 1894. Remains an Important Traffic Route with 40,000 Crossings Every Day.

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