Aux Rochers River, is a river in Sept-Rivières Regional County Municipality, Côte-Nord, Quebec, Canada. It drains an area of 4,180 square kilometres (1,610 sq mi). It is a tributary of the Gulf of Saint Lawrence

Port-Cartier is a city in the Côte-Nord region of Quebec, Canada. It is located on the north shore of the Saint Lawrence River at the mouth of the Aux-Rochers River, exactly 63 kilometres (39 mi) southwest of Sept-Îles, Quebec.