The Bras de Ross is a tributary of Brébeuf Lake, flowing in the municipality of Ferland-et-Boilleau and Rivière-Éternité, in the Le Fjord-du-Saguenay Regional County Municipality, in the administrative region of Saguenay–Lac-Saint-Jean, in the province of Quebec, in Canada. The lower part of the Ross Valley is integrated into the zec du Lac-Bébeuf. The "Bras de Ross" Valley is served by Chemin du Lac-Brébeuf which serves the southwest shore of Brébeuf Lake, for forestry, agriculture and recreotourism activities. Some secondary forest roads serve this valley. Forestry is the main economic activity in the sector; recreational tourism, second. The surface of "Bras de Ross" is usually frozen from the beginning of December to the end of March, however the safe circulation on the ice is generally done from mid-December to mid-March.
Geography
The main watersheds adjacent to "Bras de Ross" are:
The "Bras de Ross" rises at the mouth of Lac du Berger in a valley between the mountains. This lake is fed on the south side by the outlet of "Lac en Trèfle", Lac Long and "Lac à la Boule". The mouth of "Lac du Berger" is located at:
south-east of the center of the village of Ferland;
south-west of the confluence of the Bras de Ross and Brébeuf Lake;
south-east of the confluence of the Ha! Ha! and the Baie des Ha! Ha!.
From the mouth of "Lac du Berger", the course of "Bras de Ross" descends on, according to a drop of according to the following segments: Upper course of "Bras de Ross"
north-west to a small lake, then towards northeast by crossing it for to its mouth;
north-east to the outlet of two lakes;
north-west to the outlet of some lakes;
north-east in a valley between two mountains and crossing on the southern part of Lake Potvin, to the outlet of Lake Benouche;
towards the north-east by forming a curve towards the south-east to bypass a mountain and bending towards the north, until the outlet of the "Lac de Sable";
towards the northeast in a deep valley by collecting the discharge of a lake, by forming a curve towards the westto go around a mountain, by collecting the discharge from a lake as well as the outlet from a lake, to a stream ;
to the east by crossing a marsh area at the end of the segment, up to a stream ;
towards the north-east passing between two mountains, crossing three series of rapids and forming a curve towards the north-west, until the discharge of a lake;
to the east, forming a loop to the north and crossing an area of marsh, to the east shore of the lake?;
east across the lake ? on its full length, to its mouth;
east to its mouth.
The "Bras de Ross" pours into the bottom of a bay on the southwest shore of the western part of Brébeuf Lake. This mouth is located at:
north-east of the hamlet "L'Écluse-à-Hilaire";
south-east of the hamlet "Lac-à-la-Balle";
south-west of a bay in Éternité Lake;
west of the mouth of Brébeuf Lake;
west of the confluence of the Cami river and the Saint-Jean River;
south-west of the village center of Rivière-Éternité;
south-west of the confluence of the Éternité River and the Baie Éternité ;
south-west of the confluence of the Saint-Jean river and the Saint-Jean Bay ;
south-east of downtown Saguenay.
From the confluence of "bras de Ross", the current:
crosses Lac Brébeuf for to the east;
follows the course of the Saint John River on generally towards the northeast;
