It allegedly takes its name from seven major rivers that join the Saint Lawrence within the territory: Moisie, Sainte-Marguerite, Trinité, Pentecôte, aux Rochers, Pigou and Manitou. But neither the Trinité River nor the Manitou River reaches the Saint Lawrence within the limits of the regional county municipality, and many other rivers could be amongst those "seven rivers".
Subdivisions
There are four subdivisions and two native reserves within the RCM:[2]
There are a number of large rivers that flow in a generally north-south direction through Sept-Rivières to enter the Gulf. Near the coast the river basins tend to narrow in towards the river mouth, and between their mouths are areas that drain into the Gulf through smaller streams. From west to east, the larger river basins, which may cover parts of neighboring regions, are:[11]
^Derived indirectly from Ministère des Affaires municipales et de l'Habitation (MAMH) website, by summing up data for Lac-Walker (18881.62 km2), Maliotenam (5.28 km2), Port-Cartier (1371.79 km2), Rivière-Nipissis (10574.82 km2), Sept-Îles (2172.22 km2), and Uashat (2.15 km2) census subdivisions.
^Marie-Claude Dubé (23 August 2006). "Regional County Municipality of Sept-Rivières Map"(PDF). Quebec Gouvernement (in French). Le ministère des Ressources naturelles Canada. tous droits réservés. MRC de Sept-Rivières. Retrieved 28 May 2024. Proposed Regional Park, Seven Islands Archipelago, Zec de la Rivière-Moisie, Proposed Groulx Mountains Biodiversity Reserve