The Salmon River generally flows southeast between the rivière Saint-Augustin Nord-Ouest and the Saint-Augustin River. The Salmon River originates at the mouth of an unidentified lake in the unorganized territory of Petit-Mécatina. This long, misshapen lake is mainly fed by four small lake outlets. This source is located at:
From its source, the salmon river flows over with a drop of, entirely in the forest zone, according to the following segments: Upper course of the salmon river
to the north, especially when crossing the lake ? first north, then east, to its mouth;
to the east, in particular by crossing three lakes: the lake? ; Lake ? ; Lake ?, to its mouth.
towards the south-east by crossing two small lakes; then crossing to the south towards the lake?, to its mouth. Note: This last lake looks like a big man's head looking west;
first towards the south-east to the north shore of the lake ?; then east, crossing the lake ? on , to its mouth. Note: this lake receives on the southwest side the discharge of ten lakes;
towards the east by forming a curve towards the north to go around mountains, until the mouth of a lake, that the current crosses a hundred meters;
towards the south-east in a deep valley, crossing the lake?, to its mouth;
to the south, crossing the lake?, to its mouth. Note: This lake receives the discharge from a set of lakes and the discharge from a set of lakes;
to the south, in particular by crossing the lake in mid-segment? over its full length, up to its mouth. Note: The lake? receives the discharge of three lakes.
The Salmon River flows on the north shore of Wapustagamau Lake, about halfway between the southern limit of Labrador and the north shore of the Gulf of St. Lawrence. This confluence is located at:
south-west of the village center of Blanc-Sablon;
north-west of the mouth of the Saint-Augustin North-West river ;
north-west of the north shore of the Gulf of St. Lawrence.
From the mouth of the Salmon river, the current crosses Wapustagamau Lake west on, then descends the course of the outlet of Wapustagamau lake on, the course of the rivière Saint-Augustin Nord-Ouest east on, the course of the Saint-Augustin River southeasterly on, cross Baie Saint-Augustin east on, as far as the north shore of Gulf of St. Lawrence.