La Chevrotière River  La Chevrotière is a tributary of the northwest shore of the Saint-Laurent river, descending in the municipality of Portneuf, Saint-Gilbert and Deschambault-Grondines, in the Portneuf, in the administrative region of Capitale-Nationale, in Quebec, in Canada. The La Chevrotière river valley is mainly served by the route 138 which runs along the northwest shore of the St. Lawrence River and the route 363 which passes on the north side of this valley. The secondary roads serving this area are Chemin du 3e rang, Chemin Gravel, Rue Principale, Route du Moulin, Route d'Irlande and Chemin du rang de la Chapelle. Agriculture is the main economic activity in the sector; forestry, second. The surface of the La Chevrotière river (except the rapids areas) is generally frozen from the beginning of December to the end of March; however, safe circulation on the ice is generally from late December to early March. The water level of the river varies with the seasons and the precipitation; the spring flood occurs in March or April. The La Chevrotière river is located on the north shore of the Saint-Laurent river, halfway between Trois-Rivières and Quebec, more precisely between the slopes of the Sainte-Anne River (to the west) and the Portneuf River (to the east). The La Chevrotière river has its source in a marsh area near the chemin de rang de la Chapelle in the municipality of Portneuf and south-east of Domaine-Alouette. This source is located east of a curve of the course of the river Sainte-Anne river and north-east of the St. Lawrence river (ie in the village of Portneuf). From its source, the La Chevrotière river then flows over a distance of (or in a direct line), with a drop of , according to the following segments:  The confluence of the La Chevrotière river is located southeast of the railway; south-east of the center of the village of Saint-Marc-des-Carrières; north-east of the center of the village of Grondines; southwest of the village center of Donnacona. Its name is taken from François de Chavigny Lachevrotière, who became lord of the fief of La Tesserie in 1674 - in 1698 this fief was named La Chevrotière.