Brock River

The Brock River is a tributary of the Chibougamau River, flowing in Eeyou Istchee Baie-James, in the administrative region of Nord-du-Québec, in the province of Quebec, in Canada. The course of the river crosses successively (from the upstream) the cantons of Beaulieu, Cherisy, La Rochette, Rageot, Livillier, La Touche and Opémisca.

Brock
Watershed of Nottaway River
Location
CountryCanada
ProvinceQuebec
RegionNord-du-Québec
Physical characteristics
SourceBrock Lake
  locationEeyou Istchee Baie-James, Nord-du-Québec, Quebec
  coordinates50°30′52″N 74°23′12″W
  elevation400 m (1,300 ft)
MouthChibougamau River
  location
Eeyou Istchee Baie-James, Nord-du-Québec, Quebec
  coordinates
50°00′47″N 75°04′54″W
  elevation
336 m (1,102 ft)
Length104.6 km (65.0 mi)[1]
Basin features
Tributaries 
  left
  • (in upstream order)
  • Crinkle creek
  • discharge of Lac Claire
  • discharge of Lac Claude
  • Blaiklock River
  • Maaskitkuu creek
  • Chinsuu Saakahiikanu creek
  right

The hydrographic slope of the "Brock River" is accessible by a forest road that cuts across the northern part of the river, at 1.7 kilometres (1.1 mi) south of Villebois Lake. This road comes from the South where it separates from the route 113 which connects Lebel-sur-Quévillon to Chibougamau and passes to the South of the lake.

The surface of the "Brock River" is usually frozen from early November to mid-May, however, safe ice movement is generally from mid-November to mid-April.

Geography

The main hydrographic slopes adjacent to the "Brock River" are:

The "Brock River" originates at the mouth of Brock Lake (length: 6.7 kilometres (4.2 mi) altitude: 400 metres (1,300 ft)) in the Township of Beaulieu. This source is located at:

From its source, the "Brock River" flows over 104.6 kilometres (65.0 mi) according to the following segments:

Upper Brock River (segment of 37.7 kilometres (23.4 mi))

  • 5.0 kilometres (3.1 mi) south across Daubenton Lake (length: 2.0 kilometres (1.2 mi); altitude: 394 metres (1,293 ft)) on its full length, then the Villebois Lake (length: 2.4 kilometres (1.5 mi); altitude: 390 metres (1,280 ft)) on its full length;
  • 10.0 kilometres (6.2 mi) south to the mouth of the lake ? (length: 7.4 kilometres (4.6 mi); altitude: 388 metres (1,273 ft)) that current flows through on 7.0 kilometres (4.3 mi);
  • 7.6 kilometres (4.7 mi) south, then south-east to the mouth of Lemieux Lake (length: 4.0 kilometres (2.5 mi); altitude: 375 metres (1,230 ft)) that the current flows south-east on 2.0 kilometres (1.2 mi);
  • 7.1 kilometres (4.4 mi) south by collecting Chinsu Creek Saakahiikanu (coming from the Northeast), Maaskitkuu Creek (coming from the East), crossing the Kaaweinaupetchuu Rapids and passing on the west side of the Hill Kaamischekokaamasuu, to the southern limit of the Assinica Wildlife Sanctuary;
  • 8.0 kilometres (5.0 mi) south to the Kaamitchipeich Rapids where it collects the waters of the dump (coming from the Southeast) of Lake Claude, then the South-West to the confluence of the Blaiklock River (from the South);

Lower Brock River (segment of 66.9 kilometres (41.6 mi))

  • 2.3 kilometres (1.4 mi) westerly to the confluence of the Kaakitchatsekaasich Creek (coming from the Northeast);
  • 34.4 kilometres (21.4 mi) relatively straight West to the confluence of the Brock River North (coming from the Northeast);
  • 5.6 kilometres (3.5 mi) westerly passing North of a mountain whose summit reaches 452 metres (1,483 ft) to the confluence of the Brock River West (coming from Northwest);
  • 5.8 kilometres (3.6 mi) southerly, passing from the west side of the same mountain, to Noire Creek (coming from the Southwest) which drains the "Lac à l'Eau Noire" (English: lake of Black Water);
  • 13.4 kilometres (8.3 mi) southwesterly to Crinkle Creek (from the Northeast);
  • 5.4 kilometres (3.4 mi) southwesterly to mouth.[2]

The "Brock River" flows on the North shore of the Chibougamau River, at 6.9 kilometres (4.3 mi) downstream from the mouth of Michwacho Lake in the township of Ospémisca. From this mouth, the current flows southwesterly along the Chibougamau River to the East shore of Goéland Lake (Waswanipi River). The latter is crossed to the Northwest by the Waswanipi River which is a tributary of Matagami Lake.

The mouth of the "Brock River" located at:

Toponymy

This hydronym evokes the memory of Reginald W. Brock, who, at the end of the 1896 geological exploration campaign, was assistant to Dr. Robert Bell of the Geological Survey of Canada, made a rapid geological reconnaissance of the road between the lakes Waswanipi and Mistassini through the rivers Waswanipi, Chibougamau and Barlow River and the Lake Waskonichi. Reginald W. Brock, Director of the Geological Survey of Canada, provided the work maps and survey instruments for the 1910 Chibougamau Geological Survey (Quebec) expedition.

The toponym "Brock River" was formalized on December 5, 1968, at the Commission de toponymie du Québec, i.e. at the creation of this commission[3]

References

  1. "Atlas of Canada". atlas.nrcan.gc.ca. Retrieved 2017-12-19.
  2. Distances from the Atlas of Canada (published on the Internet) of the Department of Natural Resources Canada.
  3. "Commission de toponymie du Québec – Banque de noms de lieux - Toponyme: "Rivière Brock"". toponymie.gouv.qc.ca. Retrieved 2017-12-19.

See also

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