The Two Medicine River is a tributary of the Marias River

Marias River

The Marias River is a tributary of the Missouri River, approximately 210 mi long, in the U.S. state of Montana. It is formed in the Blackfeet Indian Reservation in Glacier County, in northwestern Montana, by the confluence of the Cut Bank Creek and the Two Medicine River...

, approximately 60 mi (97 km) long, in northwestern 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 the Rocky Mountain Front

Rocky Mountain Front

The Rocky Mountain Front is an area extending over 100 miles from the central regions of the U.S. state of Montana to southern Alberta, Canada. Here, the Rocky Mountains meet the Great Plains and Canadian Prairie in an abrupt elevation rise of between 4,000 to 5,000 feet...

 in Glacier National Park at the continental divide

Continental divide

A continental divide is a drainage divide on a continent such that the drainage basin on one side of the divide feeds into one ocean or sea, and the basin on the other side either feeds into a different ocean or sea, or else is endorheic, not connected to the open sea...

 and flows east, down from the mountains and across the Blackfeet Indian Reservation

Blackfeet Indian Reservation

The Blackfeet Indian Reservation or Blackfeet Nation is an Indian reservation of the Blackfeet tribe in Montana in the United States. It is located east of Glacier National Park and borders Canada to the north. Cut Bank Creek and Birch Creek make up part of its eastern and southern borders...

. It receives Birch Creek

Birch Creek (Montana)

Birch Creek is a tributary of the Two Medicine River in Montana in the United States. It rises at the continental divide in the Lewis and Clark National Forest, and flows northeast, through Birch Creek Reservoir. It receives Dupuyer Creek and joins the Two Medicine in northern Pondera County. It...

 in southeastern Glacier County

Glacier County, Montana

-National protected areas:* Glacier National Park * Lewis and Clark National Forest -Demographics:As of the census of 2000, there were 13,247 people, 4,304 households, and 3,245 families residing in the county. The population density was 4 people per square mile . There were 5,243 housing units...

 and joins Cut Bank Creek

Cut Bank Creek

Cut Bank Creek is a tributary of the Marias River in the Missouri river basin watershed, approximately 75 mi long, in northwestern Montana in the United States, which having deeply eroded steep cliff banks eponymously gives name to the cut bank formal terrain term of geological science.It...

 to form the Marias, approximately 12 mi (19 km) southeast of Cut Bank

Cut Bank, Montana

Cut Bank is a city in and the county seat of Glacier County, Montana, United States located just east-south-east of the "cut bank" geographical feature which formed canyon-like along the eponymously named Cut Bank Creek river...

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