Oldman River
Overview
River
A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...
in southern Alberta
Southern Alberta
Southern Alberta is a region located in the Canadian province of Alberta. As of the year 2004, the region's population was approximately 272,017. The primary cities are Lethbridge and Medicine Hat...
, Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...
. It flows roughly west to east from the Rocky Mountains
Rocky Mountains
The Rocky Mountains are a major mountain range in western North America. The Rocky Mountains stretch more than from the northernmost part of British Columbia, in western Canada, to New Mexico, in the southwestern United States...
, through the communities of Fort Macleod
Fort Macleod, Alberta
Fort Macleod is a town in the southwest corner of the province of Alberta, Canada. It was founded as a North-West Mounted Police barracks, and is named in honour of the North-West Mounted Police Colonel James Macleod. The town's current mayor is Shawn Patience.- History and heritage preservation...
, Lethbridge
Lethbridge
Lethbridge is a city in the province of Alberta, Canada, and the largest city in southern Alberta. It is Alberta's fourth-largest city by population after Calgary, Edmonton and Red Deer, and the third-largest by area after Calgary and Edmonton. The nearby Canadian Rockies contribute to the city's...
, Taber, and on to Grassy Lake, where it joins with the Bow River
Bow River
The Bow River is a river in the Canadian province of Alberta. It is a tributary of the South Saskatchewan River, and is considered the headwater of the Nelson River....
to form the South Saskatchewan River
South Saskatchewan River
The South Saskatchewan River is a major river in Canada that flows through the provinces of Alberta and Saskatchewan....
, which eventually drains into the Hudson Bay
Hudson Bay
Hudson Bay , sometimes called Hudson's Bay, is a large body of saltwater in northeastern Canada. It drains a very large area, about , that includes parts of Ontario, Quebec, Saskatchewan, Alberta, most of Manitoba, southeastern Nunavut, as well as parts of North Dakota, South Dakota, Minnesota,...
.
Oldman River has a total length of 362 km and a drainage area of 26,700 km². Its mean discharge is 95 m³/s.
In 1990, the Alberta government sought to dam
Dam
A dam is a barrier that impounds water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees are used to manage or prevent water flow into specific land regions. Hydropower and pumped-storage hydroelectricity are...
the Oldman, which would have (among other things) flooded a Peigan
Northern Peigan
The Northern Peigans or Aapátohsipikáni are a First Nation, part of the Niitsítapi . Known as Piikáni, "Pekuni" or Aapátohsipikáni , they are very closely related to the other members of the Blackfoot Confederacy: Aamsskáápipikani , Káínaa or...
/Blackfoot
Blackfoot
The Blackfoot Confederacy or Niitsítapi is the collective name of three First Nations in Alberta and one Native American tribe in Montana....
cemetery.