The Redwater River is a tributary of the Missouri River

Missouri River

The Missouri River flows through the central United States, and is a tributary of the Mississippi River. It is the longest river in North America and drains the third largest area, though only the thirteenth largest by discharge. The Missouri's watershed encompasses most of the American Great...

, approximately 110 mi (177 km), in eastern Montana

Montana

Montana is a state in the Western United States. The western third of Montana contains numerous mountain ranges. Smaller, "island ranges" are found in the central third of the state, for a total of 77 named ranges of the Rocky Mountains. This geographical fact is reflected in the state's name,...

 in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

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It rises in on the northern slope of the Big Sheep Mountains

Big Sheep Mountains

The Big Sheep Mountains are located in the eastern area of the U.S. State of Montana in Dawson County, Montana. They are the eastern most mountains in Montana. Nearby towns include Circle, Lindsay, and Glendive....

, in northwestern Prairie County

Prairie County, Montana

-Demographics:As of the census of 2000, there were 1,199 people, 537 households, and 354 families residing in the county. The population density was -Demographics:...

, and flows northeast across the plains past Brockway

Brockway, Montana

Brockway is an unincorporated community in southern McCone County, Montana, United States located near the Redwater River. At the 2000 census, the Brockway area had a population of approximately 140 people....

 and Circle

Circle, Montana

Circle is a town in and the county seat of McCone County, Montana, United States. The population was 644 at the 2000 census.-Geography:Circle is located at ....

 and joins the Missouri in northeastern McCone County

McCone County, Montana

-Demographics:As of the census of 2000, there were 1,977 people, 810 households, and 596 families residing in the county. The population density was 1 people per square mile . There were 1,087 housing units at an average density of 0 per square mile...

, approximately 4 mi (6 km) south of Poplar

Poplar, Montana

As of the census of 2000, there were 911 people, 325 households, and 206 families residing in the town. The population density was 3,406.0 people per square mile . There were 350 housing units at an average density of 1,308.5 per square mile...

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Variant names

The Redwater River has also been known as: Red Water Creek, Red Water River, Redwater Creek, Two Thousand Mile Creek, Two-Thousand-Mile Creek