Assiniboine River

Assiniboine River

Infobox River
river_name = Assiniboine River
image_size = 230px

caption = Red River drainage basin, with the Assiniboine River highlighted
origin = Saskatchewan
coord|name=Assiniboine origin|52.31582|-103.15676|type:river_region:CA-SK
mouth = Red River of the North
coord|name=Assiniboine mouth|49.88580|-97.12828|type:river_region:CA-MB
basin_countries = Canada
length = km to mi|1070
elevation = m to ft|640|abbr=yes
mouth_elevation = m to ft|230|abbr=yes
discharge = 45 m³/s
watershed = km2 to mi2|182000|abbr=yes
The Assiniboine River is a km to mi|1070 long river that runs through the prairies of Western Canada in Saskatchewan and Manitoba.

It is a typical meandering river with a single main channel embanked within a flat, shallow valley at some places, and a steep valley at other places.

The river takes its name from the Assiniboine First Nation.


It rises near the community of Preeceville in eastern Saskatchewan and then southeastward to "The Forks" in Winnipeg, Manitoba where it flows into the Red River. Some of flood flows can be diverted into Lake Manitoba at Portage la Prairie. In 1967, the Shellmouth Dam was built in Shellmouth to help reduce flood peaks and to supplement flows during dry periods. The Portage Diversion was completed in 1970. There are three hydrometric stations placed on the river that have been taking measurements since 1913. Today, Assiniboine Herald at the Canadian Heraldic Authority is named after the river.

Tributaries include the Souris River which joins it near Wawanesa, the Birdtail River which joins at the Birdtail Sioux First Nation, the Little Saskatchewan which joins west of Brandon and the Qu'Appelle River which joins near the site of historic Fort Ellice.

Flow rates

The Assiniboine river has an average discharge of 45m³/sCite web|url=|title=Rivers of Canada|author=Atlas of Canada|authorlink=Atlas of Canada|accessdate=2008-02-15]

The following discharge rates were recorded during the 1995 flood: [Cite web|url=|title=The Assiniboine River bursts its banks|author=Natural Resources Canada|authorlink=Natural Resources Canada|sccassdate=2008-02-15]

ee also

*List of Manitoba rivers
*List of Saskatchewan rivers


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