Ouiatchouaniche river upstream of the dam (segment of ) Note: In forest area. towards the north by winding, by collecting the discharge (coming from the south) of a lake, by collecting a stream (coming from the West); to the north by collecting a stream (coming from the east) crossing marsh areas, to the south shore of Lake Edmond; to the north, subsequently crossing Lake Edmond (length: ; altitude: ) and Lake Valley (length : ; altitude: ) which is formed by the widening of the river and is surrounded by marshes, until its mouth, that is the dam "La Little Fall". Note: Lac Vallée receives the outlet (coming from the west) from Lac Saint-Pierre. Intermediate course of the Ouiatchouaniche river (between the dam and the village) (segment of ) Note: In forest area. first towards the east by crossing a series of rapids up to a bend in the river; then towards the north, collecting the discharge (coming from the west) of a set of lakes including Lac Creux, at Aimé and Beemer, by forming a hook towards the northeast, up to the discharge (coming from the west) of Lac du Curé; towards the north by forming a hook towards the east while crossing a first series of rapids; then north, crossing a second series of rapids, up to a bend in the river; eastwards passing south of the village of Sainte-Hedwidge-de-Roberval, to a bend in the river, corresponding to a stream (coming from the south-east); then north through the village, up to a bend in the river, corresponding to a stream (coming from the south-east); then north, crossing the village, to Guay stream (coming from the east); Lower section of the Ouiatchouaniche river (segment of ) Note: First in forest area, then agricultural. to the north, forming a loop to the west, up to a bend in the river; towards the northeast by entering the agricultural zone, while crossing islets of forest, up to a bend in the river; to the east by forming some streamers and crossing some rapids by forming a large curve towards the north, crossing rue Saint-Dominique, boulevard Marcotte, boul. Horace-J.Beemer, the railway and Saint-Joseph Boulevard, to its mouth. The Ouiatchouaniche river flows on the southwest bank of lac Saint-Jean. This confluence is located on the north side of the city of Roberval, either: south-east of the center of the village of Pointe-Bleue; north-west of