Rivière Noire Sud-Ouest
The Rivière Noire Sud-Ouest (Black River Southwest) is a tributary of the south shore of the Noire River flowing, entirely in the unorganized territory from Mont-Élie in Charlevoix-Est Regional County Municipality, in Quebec, Canada. The lower part of this valley is served by route 170 which links Saint-Siméon to Petit-Saguenay, which passes on the north shore of the Noire River. This valley has some secondary forest roads for forestry and recreational tourism purposes. Forestry is the first economic activity in the sector; recreational tourism activities, second. The surface of "rivière Noire  Sud-Ouest" is usually frozen from the beginning of December to the end of March, however, safe ice circulation is generally from mid-December to mid-March. Geography. The main hydrographic slopes near the Black River are: The "rivière Noire Sud-Ouest" originates at the mouth of Julie Lake (length: ; altitude: ). This source is located at: From its source (Lake Julie), the course of the "rivière Noire Sud-Ouest" descends on according to the following segments: Upper South-West Black River (segment: ) Lower South-West Black River (segment: ) The mouth of the Black Southwest River empties onto the south shore  of the Black River in Mont-Élie. This confluence is located at: Toponymy. The origin of the name "Rivière Noire Sud-Ouest" is derived from the name of the Noire River in which it flows. The toponym "rivière Noire Sud-Ouest" was formalized on December 5, 1968 at the Bank of place names of the Commission de toponymie du Quebec.