| Rouge River | |
| 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 Jacques-Cartier Regional County Municipality |
| Subdivision Type5: | Municipality |
| Subdivision Name5: | Château-Richer |
| Length: | 8.7km (05.4miles) |
| Source1: | Little unidentified lake |
| Source1 Location: | Château-Richer |
| Source1 Coordinates: | 47.0405°N -71.1065°W |
| Source1 Elevation: | 598 m |
| Mouth: | Montmorency River |
| Mouth Location: | Château-Richer |
| Mouth Coordinates: | 47.0997°N -71.1097°W |
| Mouth Elevation: | 372 m |
| Tributaries Right: | Unidentified stream |
The Rivière Rouge is a tributary of the east bank of the Montmorency River, flowing in the administrative region of Capitale-Nationale, in the province of Quebec, in Canada. This watercourse successively crosses the regional county municipalities (MRC) of:
This forest and mountain valley is served by a forest road passing on the east side of the river. Forestry is the main economic activity in this valley; second, recreational tourism.
Because of its altitude, the surface of the upper Red River is generally frozen from late November to early April; however, safe circulation on the ice is generally done from mid-December to the end of March. The water level of the river varies with the seasons and the precipitation; the spring flood occurs in March or April.
The Rouge River takes its source from a small lake (length: ; altitude:) landlocked between the mountains. The mouth of this lake is located in the municipality of Château-Richer, at:
From the mouth of this head lake, the Red River descends on, with a drop of according to the following segments:
The Rouge River flows into a bend on the east bank of the Montmorency River. From this confluence of the Rouge River, the current flows over generally south by the course of the Montmorency River, to the northwest shore of the St. Lawrence River.[1]
The toponym "Rivière Rouge" was formalized on December 13, 1996 at the Commission de toponymie du Québec.[2]