Mattagami River

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Coordinates: 50°43′42″N 81°29′14″W / 50.72833°N 81.48722°W / 50.72833; -81.48722
Mattagami River
Rivière Mattagami (French)
River
Smooth Rock Falls mill.JPG
Mattagami River at Smooth Rock Falls
Name origin: Ojibwe language
Country Canada
Ontario Ontario
Region Northeastern Ontario
Districts Cochrane, Timiskaming, Sudbury
Part of James Bay drainage basin
Source Mattagami Lake
 - location Gouin Township, Sudbury District
 - elevation 330 m (1,083 ft)
 - coordinates 48°00′46″N 81°33′28″W / 48.01278°N 81.55778°W / 48.01278; -81.55778
Mouth Moose River
 - location Gardiner Township, Cochrane District
 - elevation 48 m (157 ft)
 - coordinates 50°43′42″N 81°29′14″W / 50.72833°N 81.48722°W / 50.72833; -81.48722
Length 443 km (275 mi)
Basin 37,000 km2 (14,286 sq mi)
Location of the mouth of the Mattagami River in Ontario

The Mattagami River is a river in the James Bay drainage basin in Cochrane District, Timiskaming District and Sudbury District in Northeastern Ontario, Canada.[1][2]

The Mattagami flows 443 kilometres (275 mi) from its source at Mattagami Lake in geographic Gouin Township[3] in the Unorganized North Part of Sudbury District, on the Canadian Shield southwest of Timmins,[4] to Portage Island in geographic Gardiner Township[5] in the Unorganized North Part of Cochrane District, in the Hudson Bay Lowlands.[6] Here the Mattagami's confluence with the Missinaibi River forms the Moose River, about 100 kilometres (60 mi) from that river's tidewater outlet at James Bay.[7] The Mattagami River flows through the city of Timmins as well as the town of Smooth Rock Falls[7] and its drainage basin encompasses 37,000 square kilometres (14,000 sq mi).[4]

The Mattagami's name comes from the Ojibwe and means either "the start of water" (maadaagami) or "turbulent water" (madaagami).

Course[edit]

For a map showing the river course, see this reference.[2]

Economy[edit]

Where the Groundhog and Kapuskasing Rivers flow into the Mattagami, Ontario Power Generation operates the Little Long Generating Station,[8] with a dam just over 5 km in length.

Tributaries[edit]

Tributaries include the:

See also[edit]

References[edit]

  1. ^ "Mattagami River". Geographical Names Data Base. Natural Resources Canada. http://www4.rncan.gc.ca/search-place-names/unique.php?id=FCEAJ&output=xml. Retrieved 2011-09-20.
  2. ^ a b "Mattagami River". Atlas of Canada. Natural Resources Canada. 2010-02-04. Retrieved 2011-09-20.  Shows the course of the river highlighted on a map.
  3. ^ "Gouin" (PDF). Geology Ontario - Historic Claim Maps. Ontario Ministry of Northern Development, Mines and Forestry. Retrieved 2011-09-20. 
  4. ^ a b "Rivers Flowing into Hudson Bay, James Bay or Ungava Bay - Moose River". Rivers. Atlas of Canada. Retrieved 2011-09-20.  Length to head of Lake Minissinakwa.
  5. ^ "Gardiner" (PDF). Geology Ontario - Historic Claim Maps. Ontario Ministry of Northern Development, Mines and Forestry. Retrieved 2011-09-20. 
  6. ^ "Ecozones". Far North Ontario. Ontario Ministry of Natural Resources. 2011-04-07. Retrieved 2011-09-20. 
  7. ^ a b Ministry of Transportation of Ontario (2010-01-01) (PDF). Map 15 (Map). 1 : 1,600,000. Official road map of Ontario. http://www.mto.gov.on.ca/english/traveller/map/images/pdf/northont/sheets/Map15.pdf. Retrieved 2011-09-20.
  8. ^ "Little Long Generating Station". Hydro - Northeast Plant Group. Ontario Power Generation. 

External links[edit]