| Rivière des Chenaux | |
| Pushpin Map: | Quebec |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Capitale-Nationale |
| Subdivision Type4: | Regional County Municipality |
| Subdivision Name4: | La Côte-de-Beaupré Regional County Municipality |
| Subdivision Type5: | Municipality |
| Subdivision Name5: | Petite-Rivière-Saint-François and Saint-Tite-des-Caps |
| Length: | 202km (126miles) |
| Source1: | Unidentified lake |
| Source1 Location: | Petite-Rivière-Saint-François |
| Source1 Coordinates: | 47.2999°N -70.6938°W |
| Source1 Elevation: | 657 m |
| Mouth: | Lombrette River |
| Mouth Location: | Saint-Tite-des-Caps |
| Mouth Coordinates: | 47.1847°N -70.74°W |
| Mouth Elevation: | 373 m |
| Tributaries Left: | (Upward from the mouth) Unidentified stream, unidentified stream (via Lac des Chenaux), discharge from an unidentified lake. |
| Tributaries Right: | (Upward from the mouth) Discharge from a small lake, unidentified stream, two unidentified streams (via Lac des Chenaux), discharge from an unidentified lake, discharge from an unidentified lake. |
The rivière des Chenaux (English: Channel river) is a tributary of the Lombrette River flowing on the north shore of the Saint Lawrence river, in the administrative region of Capitale-Nationale, in the province of Quebec, in Canada. This river flows consecutively through the regional county municipalities (MRC) of:
This small valley is mainly served by the Route 138 which normally runs along the north shore of the St. Lawrence River; however, it distances itself from the river in this area of Charlevoix. The route 360 serves the lower part. Forestry is the main economic activity in this valley; second-hand tourist activities.
The surface of the Chenaux River is generally frozen from the beginning of December until the end of March; however, safe traffic on the ice is generally from mid-December to mid-March. The water level of the river varies with the seasons and the precipitation; the spring flood occurs in March or April.
The Chenaux River rises in Petite-Rivière-Saint-François at the mouth of Lac Fortin (length: ; altitude of). This small lake between the mountains is located south of Lac Gagné and southwest of Lac la Flippe at:
From the mouth of Lake Fortin, the course of the rivière des Chenaux descends with a drop of over especially in the forest area and parallel to the edge of the Laurentian plateau, 4 to 5 km away, according to the following segments:
The Chenaux river flows on the west bank of the Lombrette river, in Saint-Tite-des-Caps, in an area near Domaine-Lombrette, between route 360 and route 138. This confluence is located at:
From the mouth of the Chenaux river, the current descends on southwards the course of the Lombrette River, then on generally south by the course of the Sainte-Anne River, to the northwest shore of the Saint-Laurent river.[1]
The toponym "rivière des Chenaux" was formalized on December 5, 1968 at the Place Names Bank of the Commission de toponymie du Québec.[2]