Coulombe River

The Coulombe River is a tributary of lake Aylmer which is crossed by the Saint-François River which constitutes a tributary of the south shore of St. Lawrence River.

Colombe River
Coulombe River upstream of Center Road in Beaulac-Garthby.
Location
CountryCanada
ProvinceQuebec
RegionEstrie
MRCLe Haut-Saint-François Regional County Municipality
MunicipalitySaints-Martyrs-Canadiens and Weedon
Physical characteristics
SourceMarsh area
 • locationSaints-Martyrs-Canadiens
 • coordinates45.86333°N 71.528536°W / 45.86333; -71.528536
 • elevation367 m (1,204 ft)
MouthLake Louise (Estrie), Saint-François River
 • location
Beaulac-Garthby
 • coordinates
45.82555°N 71.39528°E / 45.82555; 71.39528
 • elevation
248 m (814 ft)
Length138 km (86 mi)
Basin features
ProgressionSaint-François River, St. Lawrence River
Tributaries 
 • right(upward) Coulombe North River

The course of the Coulombe River flows on the South Shore of the St. Lawrence River, in Quebec, Canada. It crosses the territory of the municipalities of:

Geography

The main neighboring watersheds of the Coulombe River are:

The Coulombe River has its source in a marsh area 2.0 kilometres (1.2 mi) west of Mont Louise, 1.6 kilometres (0.99 mi) south of the village center Saints-Martyrs-Canadiens, 1.2 kilometres (0.75 mi) east of an abandoned quarry and 1.6 kilometres (0.99 mi) south of Sunday Lake.

From this marsh area, the course of the Coulombe River flows over 13.8 kilometres (8.6 mi) divided into the following segments:

  • 3.1 kilometres (1.9 mi) eastward, up to the confluence of the outlet of Lac Rond;
  • 2.6 kilometres (1.6 mi) eastward, to the north shore of Lac Coulombe;
  • 0.8 kilometres (0.50 mi) crossing to the south-east the Coulombe lake (length: 1.4 kilometres (0.87 mi); altitude: 301 metres (988 ft)), i.e. the main plane of water drained by the Coulombe River;
  • 0.8 kilometres (0.50 mi) east, up to route 161 which the river crosses at 4.2 kilometres (2.6 mi) west of the intersection of route 112;
  • 2.8 kilometres (1.7 mi) eastward, to the confluence of the Coulombe North River which is the main tributary;
  • 2.2 kilometres (1.4 mi) south-east to a country road;
  • 1.5 kilometres (0.93 mi) towards the south-east, to its mouth.[1]

The Coulombe River empties on the west shore of Ward Bay of lake Aylmer. The mouth is located 1.3 kilometres (0.81 mi) (in a direct line) southwest of the intersection of route 161 and route 112 from the village of Beaulac-Garthby.

The resort is particularly developed around Ward Bay.

Toponymy

The toponym Rivière Coulombe was officially registered on December 5, 1968 at the Commission de toponymie du Québec.[2]

Notes and references
  1. "Atlas of Canada from the Department of Natural Resources Canada - Characteristics extracted from the geographic map, database and site instrumentation". Retrieved December 25, 2020.
  2. Commission de toponymie du Québec - Bank of place names - Coulombe River.

See also
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