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Rupert River

Rupert River

FieldValue
nameRupert River
native_namefr
imageRupert North Road 2.JPG
mapRupert map 2.png
map_size250px
map_captionDrainage basin of the Rupert River. Current basin in yellow. Diverted basin to the Eastmain and La Grande Rivers in orange. Original basin in yellow and orange.
subdivision_type1Country
subdivision_name1Canada
subdivision_type2Province
subdivision_name2Quebec
subdivision_type3Region
subdivision_name3Nord-du-Québec
length763 km
discharge1_avg900 m3/s
discharge2_locationLake Mistassini outlet
discharge2_avg434 m3/s
source1Lake Mistassini
source1_coordinates
mouthRupert Bay
mouth_locationWaskaganish
mouth_coordinates
basin_size43400 km2
tributaries_left
tributaries_right

The Rupert River is a river in Quebec, Canada. From its headwaters in Lake Mistassini, the largest natural lake in Quebec, it flows 556 km west into Rupert Bay on James Bay. The Rupert drains an area of 43400 km2.

There is some extremely large whitewater on the river, but paddlers can avoid much of it by portage routes on the side. The most impressive falls, which cannot be avoided except by portaging, are the "Oatmeal Rapids" right at the James Bay Road (a set of cascades dropping 18 m) and "The Fours" near the end of the river (a 24 m drop).

The Rupert has long been an important river for the Cree of the area. Every year, a group of Cree youth from the village of Waskaganish, at the mouth of the Rupert, travel up the river to Lake Nemiscau.

Major tributaries of the Rupert are (in downstream order):

  • Natastan River (Rivière Natastan)
  • Lemare River (Rivière Lemare) - 1290 km2 subbasin
  • Marten River (Rivière à la Marte) - 4505 km2 subbasin
  • Nemiscau River (Rivière Nemiscau) - 3015 km2 subbasin

History

In 1668, an expedition led by Médard des Groseilliers came to the mouth of the Rupert River in order to bypass French-controlled areas along the St. Lawrence River and in doing so, trying to break the French hold on the fur trade. They named the river after the sponsor of the expedition, Prince Rupert. A fort (originally called Fort Charles) was established at the mouth of the river, which later became the trading post Rupert House, the oldest trading post of the Hudson's Bay Company. From then on, the Rupert River played a vital role in supplying inland trading posts (such as Nemiscau and Mistissini) with regular canoe brigades, right until the beginning of the twentieth century when supplies started to come from the south via rail and later road.

While having lost its importance as a trade route, the Rupert River has long been a popular destination for recreational canoe camping and whitewater canoeing.

Hydroelectric development

The Oatmeal Rapids on the Rupert River.

The Rupert, together with the Nottaway and Broadback rivers, was initially considered to be dammed and diverted as part of the James Bay Project. But in 1972, hydro-electric development began on the more northerly La Grande and Eastmain rivers, and the NBR Project was shelved.

The plan to divert the Rupert's headwaters into the La Grande hydroelectric complex was revived in 2002 when a landmark agreement between the Government of Quebec and the Grand Council of the Crees was signed. In this agreement, known as La Paix des braves (literally "Peace of the Braves"), the two parties agreed to authorize the completion of a long-delayed hydroelectric project on the Eastmain River, just to the north of the Rupert River. A subsequent agreement in April 2004 put an end to all litigation between the two parties and opening the way to the joint environmental assessment of the diversion of about 50% of the total water flow of the Rupert River (and 70% at the diversion point) northwards to the Eastmain River and into the La Grande hydroelectric watershed. The Grand Chief of the Crees, Matthew Mukash http://www.radio-canada.ca/actualite/v2/dimanchemag/niveau2_5256.shtml, elected in late 2005, opposed the Rupert diversion project, preferring the development of wind turbines in the region.

After completion of the joint environmental assessments by the Cree, Quebec and Canadian authorities, the governments of Quebec and Canada authorized the diversion and construction of hydroelectric installations on the Rupert River in late 2006. The diversion of water from the river began in November, 2009. 29600 km2 or 68% of its basin will be diverted through a 2.9 km long transfer tunnel from the Rupert Forebay to the Rupert Tailbay in the Nemiscau basin and then onward to the Eastmain 1 Reservoir. The remaining work was complete in 2012.

References

References

  1. Measured to the head of Rivière Témiscamie; source: Natural Resources Canada, Atlas of Canada - [http://atlas.nrcan.gc.ca/site/english/learningresources/facts/rivers.html Rivers]
  2. Original watershed; source: Natural Resources Canada, Atlas of Canada - [http://atlas.nrcan.gc.ca/site/english/learningresources/facts/rivers.html Rivers]
  3. [http://www.radionetherlandsarchives.org/rivers-of-the-world-the-rupert-in-canada/ "Rivers of the World: the Rupert in Canada", Radio Netherlands Archives, January 31, 2003]
  4. [http://www.hydroquebec.com/rupert/en/ Hydro-Quebec]
Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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