Rivière de la Grande Coudée
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| Rivière de la Grande Coudée | |
|---|---|
 Rivière de la Grande Coudée towards its confluence with the Chaudière river. | |
  | |
| Location | |
| Country | Canada |
| Province | Quebec |
| Region | Chaudière-Appalaches |
| MRC | Beauce-Sartigan Regional County Municipality |
| Physical characteristics | |
| Source | Forest streams |
| • location | Saint-Hilaire-de-Dorset |
| • coordinates | 45°47′00″N 70°46′21″W / 45.783254°N 70.772419°W |
| • elevation | 428 metres (1,404 ft) |
| Mouth | Chaudière River |
• location | Saint-Martin |
• coordinates | 45°55′49″N 70°39′16″W / 45.93028°N 70.65444°W |
• elevation | 230 metres (750 ft) |
| Length | 32.4 kilometres (20.1 mi) |
| Basin features | |
| Progression | Chaudière River, St. Lawrence River |
| River system | St. Lawrence River |
| Tributaries | |
| • left | (upstream) décharge du Lac des Îles, ruisseau des Cèdres |
| • right | (upstream) décharge du Lac des Îles, ruisseau des Cèdres |
The rivière de la Grande Coudée (in English: river of the great cub) is a tributary of the west bank of the Chaudière River which flows northward to empty onto the south bank of the St. Lawrence River. It flows in the municipalities of Saint-Hilaire-de-Dorset, Saint-Gédéon-de-Beauce and Saint-Martin, in the Beauce-Sartigan Regional County Municipality, in the administrative region of Chaudière-Appalaches, in Quebec, in Canada.
The main neighboring watersheds of the Grande Coudée river are:
- north side: Shenley River, Roy brook, Pozer River, Chaudière River;
- east side: Petit Portage River, Chaudière River;
- south side: Petit Portage River, Ludgine River;
- west side: Ludgine River, Rivière aux Bluets.[1]
The Grande Coudée river has its source in a swamp straddling the townships of Dorset and Gayhurst, very close (north side) of the boundary between the Beauce-Sartigan Regional County Municipality (RCM) and Le Granit Regional County Municipality (RCM). Its source is located 7.3 kilometres (4.5 mi) north-west of the bridge in the village of Saint-Ludger, at 7.8 kilometres (4.8 mi) north-east of Drolet Lake, located in the municipality of Lac-Drolet.[1]
From its source, the Grande Coudée river flows over 32.4 kilometres (20.1 mi) divided into the following segments:
- 2.3 kilometres (1.4 mi) towards the north-west, until the outlet of the Oliveira lake;
- 3.8 kilometres (2.4 mi) towards the north-west, collecting water from a stream in the locality "Les Fourches", until the outlet of Lac Rond;
- 6.7 kilometres (4.2 mi) northeasterly, up to the confluence of the Discharge of Lac des Îles;
- 9.0 kilometres (5.6 mi) northeasterly, winding up to the intermunicipal limit between Saint-Hilaire-de-Dorset and Saint-Gédéon-de-Beauce;
- 1.5 kilometres (0.93 mi) northeasterly, winding up to the intermunicipal limit between Saint-Gédéon-de-Beauce and Saint-Martin;
- 5.6 kilometres (3.5 mi) towards the north-east, winding up to the confluence of a stream (coming from the north-west);
- 3.5 kilometres (2.2 mi) eastward, up to its confluence.[1]
The Grande Coudée River empties on the west bank of the Chaudière River at Saint-Martin. Its confluence is 1.4 kilometres (0.87 mi) upstream from the bridge in the village of Saint-Martin and downstream from the village of Saint-Gédéon-de-Beauce.[1]
