Pierre River (Brébeuf Lake)
The Rivière Pierre (English: Pierre River) is a tributary of Brébeuf Lake, flowing in the municipality of Ferland-et-Boilleau and ivière-Éternité, in the Fjord-du-Saguenay, in the administrative region of Saguenay-Lac-Saint-Jean, in the province of Quebec, in Canada. The lower part of the Pierre river valley is integrated into the zec du Lac-Brébeuf. The Pierre river valley is served by a forest road that serves the southwest shore of the Brébeuf Lake, for forestry, agriculture and recreational tourism activities. Some secondary forest roads serve this valley. Forestry is the  main economic activity in the sector; recreational tourism, second. The surface of the Pierre River is usually frozen from the beginning of December to the end of March, however the safe circulation on the ice is generally made from mid-December to mid-March. Geography. The main watersheds neighboring the Pierre River are: The Pierre River takes its source at the confluence of two mountain streams (altitude: ) in a deep valley. This source is located at: From its source, the course of the Pierre river descends on according to the following segments: The Pierre River flows on the south bank  of Anse à Taschereau in the eastern part of Lac Brébeuf. This mouth is located at: From the confluence of the Pierre River, the current: Toponymy. The toponym "rivière Pierre" was formalized on June 29, 1983, by the Commission de toponymie du Québec.