|Source confluence||North and South Saskatchewan Rivers|
|- location||40 kilometres (25 mi) east of Prince Albert, Saskatchewan|
|- elevation||380 m (1,247 ft)|
|- location||Grand Rapids, Manitoba|
|- elevation||220 m (722 ft)|
|Length||547 km (340 mi)|
|Basin||335,900 km2 (129,700 sq mi)|
|Discharge||for The Pas, Manitoba|
|- average||634 m3/s (22,389 cu ft/s)|
|- max||3,000 m3/s (105,944 cu ft/s)|
|- min||54 m3/s (1,907 cu ft/s)|
The Saskatchewan River (Cree: kisiskāciwani-sīpiy, "swift flowing river") is a major river in Canada, about 550 kilometres (340 mi) long, flowing roughly eastward across Saskatchewan and Manitoba to empty into Lake Winnipeg. Through its tributaries the North Saskatchewan and South Saskatchewan, its watershed encompasses much of the prairie regions of central Canada, stretching westward to the Rocky Mountains in Alberta and northwestern Montana in the United States. It reaches 1,939 kilometres (1,205 mi) to its farthest headwaters on the Bow River, a tributary of the South Saskatchewan in Alberta.
It is formed in central Saskatchewan, approximately 40 kilometres (25 mi) east of Prince Albert, by the confluence of its two major branches, the North Saskatchewan and the South Saskatchewan, at the Saskatchewan River Forks. Both source rivers originate from glaciers in the Alberta Rockies. The St. Mary River, draining the Hudson Bay Divide region of Glacier National Park, also empties into the Saskatchewan River via the south fork.
The combined stream flows east-northeast, into Codette Lake formed by the Francois Finlay Dam at Nipawin then into Tobin Lake, formed by the E.B. Campbell Dam. It then flows northeast, passing through a region of marshes, where it is joined from the northwest by the Torch River and the Mossy River. At the northern edge of the marshes it flows east, twisting between a series of small lakes into west-central Manitoba to The Pas, where it is joined from the southwest by the Carrot River. Southeast of The Pas, it forms several streams in a delta on the northwest side of Cedar Lake, then exiting the lake on its southeast end and flowing approximately 5 kilometres (3 mi) to Lake Winnipeg, entering on the northwest shore north of Long Point. The waters of Lake Winnipeg eventually drain into Hudson Bay, via the Nelson River.
The river, like the province of Saskatchewan, takes its name from the Cree word kisiskāciwani-sīpiy, meaning "swift flowing river". The river and its tributaries provided an important route of transportation for First Nations and early European trappers.
Fish species include: walleye, sauger, yellow perch, northern pike, lake whitefish, mooneye, goldeye, white sucker, longnose sucker, shorthead redhorse, burbot, rainbow trout, brown trout and lake sturgeon. In 2008 and 2009 the presence of reproducing Prussian carp were found in the Red Deer River drainage basin which flows into the Saskatchewan River. Illegal introductions of non native species can have serious wide ranging negative impacts on the ecosystem. While the exact species is not yet determined the genus is Carassius. The Blue Ribbon Bow River Trout fishery may be at risk as a result of this introduction. Illegal introductions of Carassius can be very harmful.
The river, labeled as the "Kish-stock-ewen" is identified on a Hudson's Bay Company map of 1760, produced from oral information from an First Nations man named Attickasish who had been Anthony Henday's guide. Another map from 1774 shows a fairly accurate course of the river.
The Saskatchewan River and its two major tributaries formed an important transportation route during the precontact, fur trade, and early settlement periods in the Canadian West. In early fur trading days the South Saskatchewan tributary was known as "La Fourche des Gros Ventres" ("Fork of the Great Gorges") and the North Saskatchewan was known as "Rivière du Pas".
Henry Kelsey penetrated the area in the 1690s for the Hudson's Bay Company, and Louis de la Corne, Chevalier de la Corne, established the farthest western post of the French Empire in America (See New France) just east of the Saskatchewan River Forks at Fort de la Corne. In addition to this the Hudson's Bay Company and North West Company both ran numerous fur posts up the river and its two branches throughout the late 18th to late 19th centuries. York boats and canoes formed the primary means of travel during the fur trade period.
The earliest settlements in Saskatchewan and Alberta generally were established around the rivers. Examples include Fort Edmonton (Edmonton, Alberta), Fort Battleford (Battleford, Saskatchewan), Prince Albert, Saskatchewan, and Cumberland House, Saskatchewan.
Fur trade on the lower river: The first European to ascended the river as far as the forks was Louis-Joseph Gaultier de La Vérendrye in spring 1739. The main posts on the river were (landmarks in parentheses): (Saskatchewan River Forks) Fort Le Jonquière (?), Fort de la Corne, Cumberland House, Saskatchewan, (The Pas):second Fort Paskoya, (inflow to Cedar Lake:) first Fort Paskoya and second Fort Bourbon, (Cedar Lake), (inflow to Lake Winnipeg:) Grand Rapids, Manitoba, and first Fort Bourbon. There were also a number of temporary posts that have left few records. By far the most important post was Cumberland House which was the depot for the route northwest to the rich Athabasca country. To the west, the North Saskatchewan had the greatest number of posts.
In popular culture
- List of longest rivers of Canada
- List of rivers of Manitoba
- List of rivers of Saskatchewan
- List of rivers of Alberta
- Manitoba Hydro
- Watershed management
- Saskatchewan River Delta
- Saskatchewan River fur trade
- Myrna Kostash, "Reading the River: A Traveller's Companion to the North Saskatchewan River",2005
- "Summary of the State of the Saskatchewan River Basin" (PDF). 2009. Retrieved 2014-08-29.
- "Atlas of Canada Toporama". Retrieved 2014-08-29.
- "Natural Resources Canada-Canadian Geographical Names (Saskatchewan River)". Retrieved 2014-08-29.
- "Rivers Flowing Into Hudson Bay, James Bay or Ungava Bay". The Atlas of Canada. Natural Resources Canada. 2010-10-25. Retrieved 2011-10-19.
- "Saskatchewan River Delta, Manitoba, Canada October 29, 2007". NASA. Retrieved 2014-09-12.
- Haag, J.J. and White, J.S. 2008. 2008 Fish Survey in Recently Dewatered Western Irrigation District Canals. Prepared for: Western Irrigation District by Aquality Environmental Consulting Ltd., Edmonton, November 2008
- Haag, J.J., White, J.S., and Logan, M. 2010. 2009 Fish Survey in Recently Dewatered Western Irrigation District Canals. Prepared for: Western Irrigation District by Aquality Environmental Consulting Ltd., Edmonton, February 2010.
- Turkish Journal of Fisheries and Aquatic Sciences 3: 87-91 (2003)
- Macdonald, pp. 2-3
- Hawkes, John (1924), Saskatchewan and its people Volume 1 (Steamboating in the old days), Chicago: Clark
- Saskatchewan and its people Volume 1 (Steamboating in the old days)
- Canadian Council for Geographic Education page with a series of articles on the history of the Saskatchewan River.
- Partners FOR the Saskatchewan River Basin
- Encyclopedia of Saskatchewan
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