Groundhog River

Groundhog River
Rivière Groundhog (French)
River
Country Canada
Ontario Ontario
Region Northeastern Ontario
Districts Cochrane, Sudbury
Part of James Bay drainage basin
Tributaries
 - left Wakusimi River, Otapingshewee River, Ivanhoe River
 - right Nat River
Source Horwood Lake
 - location Keith Township, Sudbury District
 - elevation 336 m (1,102 ft)
 - coordinates 48°06′00″N 82°16′13″W / 48.10000°N 82.27028°W / 48.10000; -82.27028
Mouth Mattagami River
 - location Clay Township, Cochrane District
 - elevation 191 m (627 ft)
 - coordinates 49°43′04″N 81°58′04″W / 49.71778°N 81.96778°W / 49.71778; -81.96778Coordinates: 49°43′04″N 81°58′04″W / 49.71778°N 81.96778°W / 49.71778; -81.96778
Location of the mouth of the Groundhog River in Ontario

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

Course

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

The river begins at Horwood Lake in geographic Keith Township[3] in the Unorganized North Part of Sudbury District. It flows northeast over the Ontario Power Generation Horwood Lake Dam,[4] used to control water flow and store water for hydroelectricity generating stations downstream in the drainage basin, to Groundhog Lake, then north under the Canadian National Railway transcontinental main line at the railway point and unincorporated place of Groundhog River, between the railway point of Joburke to the west and the community of Kukatush to the east. The railway line is used by Via Rail transcontinental Canadian trains, but none of these locations is served by the train. The river continues north under Ontario Highway 101, passes over the Upper Falls and series of unnamed cataracts and enters Cochrane District at geographic Enid Township.[5] It continues north through the Flying Post 73 Indian Reserve,[5][6][7] part of the Flying Post First Nation, over unnamed cataracts, jogs west then again north over the course of the Six Mile Rapids and takes in the left tributary Ivanhoe River and right tributary Nat River. The Groundhog River again jogs west, takes in the left tributary Otapingshewee River, then heads north through the Ten Mile Rapids, passes over the Carmichael Falls Generating Station and dam[4][8] and takes in the left tributary Wakusimi River. It heads around Bremner Island, and reaches the community of Fauquier in the incorporated township of Fauquier-Strickland. It is crossed there by Ontario Highway 11 and by the Ontario Northland Railway secondary main line, formerly a Canadian National Railway secondary line and originally the National Transcontinental Railway transcontinental main line. The river continues north around a series of small islands and the Dixon Rapids, Hamilton Rapids and La Duke Rapids, passes over the Whist Falls, and reaches its mouth at the Mattagami River in geographic Clay Township.[9] The Mattagami River flows via the Moose River to James Bay.

Tributaries

See also

References

  1. ↑ "Groundhog River". Geographical Names Data Base. Natural Resources Canada. Retrieved 2011-09-20.
  2. 1 2 "Groundhog 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. ↑ "Keith" (PDF). Geology Ontario - Historic Claim Maps. Ontario Ministry of Northern Development, Mines and Forestry. Retrieved 2011-09-20.
  4. 1 2 OPG hydroelectric generating stations, potential hydroelectric developments and First Nation reserves (PDF) (Map). Ontario Power Generation. August 2008. Retrieved 2011-09-20.
  5. 1 2 "Enid" (PDF). Geology Ontario - Historic Claim Maps. Ontario Ministry of Northern Development, Mines and Forestry. Retrieved 2011-11-06.
  6. ↑ "Strachan" (PDF). Geology Ontario - Historic Claim Maps. Ontario Ministry of Northern Development, Mines and Forestry. Retrieved 2011-11-06.
  7. ↑ "Flying Post 73". Geographical Names Data Base. Natural Resources Canada. Retrieved 2011-11-06.
  8. ↑ "Wawa Hydro Operations" (PDF). Brookfield Renewable Power. Retrieved 2011-11-06.
  9. ↑ "Clay" (PDF). Geology Ontario - Historic Claim Maps. Ontario Ministry of Northern Development, Mines and Forestry. Retrieved 2011-09-20.
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