Belly River

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Belly River
MK02256 2257 Belly River.jpg
The Belly River in Waterton Lakes National Park
CountryCanada, United States
Physical characteristics
 ⁃ locationHelen Lake
 ⁃ coordinates48°59′37″N 113°39′56″W / 48.99373°N 113.66556°W / 48.99373; -113.66556 (Hellen Lake)
 ⁃ elevation1,570 meters (5,150 ft)
 ⁃ location
Oldman River
 ⁃ coordinates
49°46′08″N 113°02′09″W / 49.76884°N 113.03570°W / 49.76884; -113.03570 (Belly River mouth)Coordinates: 49°46′08″N 113°02′09″W / 49.76884°N 113.03570°W / 49.76884; -113.03570 (Belly River mouth)
 ⁃ elevation
875 meters (2,871 ft)
Basin features
River systemSaskatchewan River

Belly River is a river in northwest Montana, United States and southern Alberta, Canada. It is a tributary of the Oldman River, itself a tributary of the South Saskatchewan River.

The name of the river may come from the Blackfoot word "Mokowan" or "Mokoan", meaning stomach (the river was previously referred to as Mokowan River).[1]

The river was the scene of the Battle of the Belly River between the Cree and the Blackfoot Confederacy in 1870.

The river gives the name to the Cretaceous age Belly River Formation, which was observed on its banks by George Mercer Dawson in 1883.[2]


The Belly River originates in northwestern Montana at Helen Lake, near the base of Ahern Peak in Glacier National Park. It flows north across the 49th parallel north into Alberta near Chief Mountain, in the east of the Waterton Lakes National Park. It continues north, being crossed by Highway 6 and Highway 5. It passes near the communities of Hill Spring and Glenwood, then turns northeast. It is crossed by Highway 2 orth of Stand Off, then continues north along the base of the Mokowan Ridge, where it receives the waters of the Waterton River. Its flow becomes meandered before the river turns east around the Wild Turnip Hill, then it empties into the Oldman River west of Coalhurst, south of Highway 3, at an elevation of 875 meters (2,871 ft).


From spring to mouth, the Belly River receives the following tributaries:

See also[edit]


  1. ^ Geographical Names of Alberta. "Belly River". Archived from the original on 2011-07-06. Retrieved 2009-03-22. Cite uses deprecated parameter |dead-url= (help)
  2. ^ Dawson, G.M., 1883. Preliminary report on the geology of the Bow and Belly river region, Northwest Territory, with special reference to the coal deposits. Geological Survey of Canada, Report of Progress for 1880-81-82, Part B.