Bras du Coco

The arm of the Coco is a tributary of the rivière à Mars, flowing in the unorganized territory of Lac-Ministuk, in the Le Fjord-du-Saguenay Regional County Municipality, in the administrative region of Saguenay–Lac-Saint-Jean, in the province of Quebec, in Canada.

Bras du Coco
Location
CountryCanada
ProvinceQuebec
RegionSaguenay-Lac-Saint-Jean
Regional County MunicipalityLe Fjord-du-Saguenay Regional County Municipality
Municipality and Unorganized territoryFerland-et-Boilleau and Lac-Ministuk
Physical characteristics
SourceLac Croche
 • locationFerland-et-Boilleau
 • coordinates48.14300°N 70.95390°W / 48.14300; -70.95390
 • elevation357 m (1,171 ft)
MouthRivière à Mars
 • location
Lac-Ministuk
 • coordinates
48.20722°N 70.94305°E / 48.20722; 70.94305
 • elevation
230 m (750 ft)
Length11.8 km (7.3 mi)[1]
Discharge 
 • locationLac-Ministuk
Basin features
Tributaries 
 • left(from the mouth) Discharge of "Lac des Belles Filles", discharge of lac Jerry.
 • rightDischarge of "Petit lac Pacifique".

A few other secondary forest roads serve the Coco Valley, especially for forestry and recreational tourism activities.[2]

Forestry is the main economic activity in this valley; recreational tourism, second.

The surface of the "Bras du Coco" is usually frozen from the beginning of December to the end of March, however the safe circulation on the ice is generally done from mid-December to mid-March.

Geography

The "Bras du Coco" rises at the mouth of Lac Croche (length: 1.9 km (1.2 mi); altitude: 357 m (1,171 ft)) which is located at the southwestern limit of the municipality Ferland-et-Boilleau. This source is located at:

The "Bras du Coco" flows over 11.8 km (7.3 mi) with a drop of 127 m (417 ft) especially in the forest zone, according to the following segments:

  • 1.6 km (0.99 mi) to the east, crossing two small marsh areas, to the outlet (coming from the south-east) of two lakes;
  • 1.3 km (0.81 mi) north-east to the outlet (coming from the south-east) of Little Pacific Lake;
  • 1.1 km (0.68 mi) north-west to the outlet (coming from the south-west) of Lac Jerry;
  • 5.0 km (3.1 mi) towards the northwest by forming a hook of 0.4 km (0.25 mi) towards the northeast, then north passing between two mountains, until the discharge (from the southwest) from "Lac des Belles Filles";
  • 2.3 km (1.4 mi) north-west in the marsh area, to a stream (coming from the south-west);
  • 0.5 km (0.31 mi) north in the marsh area, to its mouth.[3]

The "Bras du Coco" pours into a bend on the south bank of the rivière à Mars. This confluence is located at:

  • 3.4 km (2.1 mi) west of the Bras Rocheux river, a tributary of the Ha! Ha! River;
  • 7.7 km (4.8 mi) west of the hamlet "Ferland" on the edge of Bras d'Hamel;
  • 8.5 km (5.3 mi) south-west of a curve in the course of the Ha! Ha! River;
  • 10.1 km (6.3 mi) north-east of the hamlet “Sector-Charlevoix” located on the edge of the rivière du Moulin;
  • 15.6 km (9.7 mi) south of the confluence of the rivière à Mars and the Baie des Ha! Ha!.[3]

From the confluence of the "Bras du Coco" with the rivière à Mars, the current follows the course of the rivière à Mars on 23.0 km (14.3 mi) generally towards the north, crosses the Baie des Ha! Ha! northeast on 11.0 km (6.8 mi), then the course of the Saguenay River east on 99.5 km (61.8 mi) to Tadoussac where it merges with the Saint Lawrence estuary.[3]

Toponymy

The toponym "bras du Coco" was formalized on December 5, 1968, at the Place Names Bank of the Commission de toponymie du Québec.[4]

Notes and references
  1. "Bras du Coco, Bank of Quebec place names". Commission de toponymie du Québec. Retrieved December 18, 2019.
  2. Open Street Map - Accessed January 21, 2019
  3. "Atlas of Canada from the Department of Natural Resources Canada - Characteristics extracted from the geographic map, the database and the instrumentation of the site". Retrieved January 21, 2019.
  4. Commission de toponymie du Québec - Bras du Coco

Appendices
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