| Mailloux 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: | Charlevoix-Est Regional County Municipality |
| Subdivision Type5: | Municipality |
| Subdivision Name5: | La Malbaie |
| Length: | 9.5km (05.9miles) |
| Source1: | Little unidentified lake |
| Source1 Location: | La Malbaie |
| Source1 Coordinates: | 47.6528°N -70.2537°W |
| Source1 Elevation: | 369 m |
| Mouth: | Saint Lawrence River |
| Mouth Location: | La Malbaie |
| Mouth Coordinates: | 47.6467°N -70.1511°W |
| Mouth Elevation: | 3 m |
| Tributaries Left: | (Upward from the mouth) Discharge from an unidentified small lake, discharge from an unidentified small lake. |
| Tributaries Right: | (Upward from the mouth) Three unidentified streams, outlet of Calumet Lake, three unidentified streams. |
The Mailloux River is a tributary of the north shore of the St. Lawrence River, in the municipality of La Malbaie, in the Charlevoix-Est Regional County Municipality, in the administrative region of Capitale-Nationale, in the province of Quebec, in Canada.
The southern part of this small valley is accessible by the Chemin du Golf and the Boulevard de Comporté which runs along the south of the river, as well as by the Chemin du rang Saint-Charles. The main economic activities in this valley are linked to the urban economy and particularly to tourist accommodation. Agriculture and forestry characterize the upper part of this valley.
The surface of the Mailloux 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 Mailloux river takes its source from a small forest lake located on the northeast side of rang Saint-Joseph road, in agricultural and forestry areas. This small lake is located at:
From this source, the course of the Mailloux river descends on, with a drop of, according to the following segments:
The Mailloux river flows on the west bank of La Malbaie located on the northwest bank of the Saint-Laurent river, in the heart of the village of La Malbaie. This mouth is located at:
The term "Mailloux" constitutes a family name of French origin.
The toponym "rivière Mailloux" was formalized on December 5, 1968 at the Place Names Bank of the Commission de toponymie du Québec.[2]