Rivière des Roches (Saint-Augustin-de-Desmaures)
Watercourse in Portneuf, Québec, Canada / From Wikipedia, the free encyclopedia
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The Rivière des Roches is a tributary of the northwest shore of the Saint Lawrence river, flowing in the municipality of Saint-Augustin-de-Desmaures, in the Portneuf Regional County Municipality, in the administrative region of Capitale-Nationale, in the province of Quebec, in Canada.
Rivière des Roches | |
---|---|
Location | |
Country | Canada |
Province | Quebec |
Region | Capitale-Nationale |
Regional County Municipality | Portneuf Regional County Municipality |
Municipality | Saint-Augustin-de-Desmaures |
Physical characteristics | |
Source | Forest stream |
• location | Saint-Augustin-de-Desmaures |
• coordinates | 46.74931°N 71.54648°W / 46.74931; -71.54648 |
• elevation | 117 |
Mouth | Saint Lawrence river |
• location | Saint-Augustin-de-Desmaures |
• coordinates | 46.72083°N 71.49861°W / 46.72083; -71.49861 |
• elevation | 4 m |
Length | 9.6 km (6.0 mi) |
Basin features | |
Tributaries | |
• left | Unidentified stream |
• right | Ruisseau Dorval |
The Roches river valley is mainly served by the route 138, chemin du Roy, chemin du 3e rang and chemin du Cabouron, notably for the needs of agriculture and of forestry, are the two main economic activities in this area.[1]
The surface of the Rivière des Roches (except the rapids areas) is generally frozen from the beginning of December to the end of March; safe circulation on the ice is generally done from the end of December to the beginning of March. The water level of the river varies with the seasons and the precipitation; the spring flood occurs in March or April.