The Saint-Maurice River, or the Saint-Maurice, is one of the main tributaries of the St. Lawrence River after the Ottawa and Saguenay rivers, this large river, which drains an area of 42,735 km², touches the Lake Saint John watershed to the north, the Nottaway River watershed – a major tributary of James Bay – to the northwest, and the southwestern tributaries of the Ottawa River. The St. Maurice River is located on the north shore of the St. Lawrence River in Quebec, Canada
