From the mouth of the rivière aux Écorces du Milieu, the current successively follows the course of the rivière aux Écorces on generally north, the course of the Pikauba River on generally towards the north, crosses Kenogami Lake on towards the northeast until barrage de Portage-des-Roches, then follows the course of the Chicoutimi River on to the east, then the northeast and the course of the Saguenay river on east to Tadoussac where it merges with the Saint Lawrence estuary.