Les Chenaux is a regional county municipality in central Quebec, Canada, in the Mauricie region. The seat is in Saint-Luc-de-Vincennes. It is located adjacent on the east of Trois-Rivières on the Saint Lawrence River. It has a land area of 872.04 square kilometres (336.70 sq mi) and a population of 17,865 inhabitants in the Canada 2011 Census. Its largest community is the parish of Notre-Dame-du-Mont-Carmel.

Trois-Rivières is a city in the Mauricie administrative region of Quebec, Canada, at the confluence of the Saint-Maurice and Saint Lawrence rivers, on the north shore of the Saint Lawrence River across from the city of Bécancour. It is part of the densely populated Quebec City–Windsor Corridor and is approximately halfway between Montreal and Quebec City. Trois-Rivières is the economic and cultural hub of the Mauricie region. The settlement was founded by French colonists on July 4, 1634, as the second permanent settlement in New France, after Quebec City in 1608.