| Bras Rocheux | |
| Pushpin Map: | Quebec |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Type4: | Regional County Municipality |
| Subdivision Name4: | Le Fjord-du-Saguenay Regional County Municipality and Saguenay (city) |
| Subdivision Type5: | Municipalities |
| Subdivision Name5: | Ferland-et-Boilleau |
| Length: | 12.5km (07.8miles)[1] |
| Discharge1 Location: | Ferland-et-Boilleau |
| Source1: | Lac Surprise |
| Source1 Location: | Ferland-et-Boilleau |
| Source1 Coordinates: | 48.143°N -70.9539°W |
| Source1 Elevation: | 319m (1,047feet) |
| Mouth: | Bras d'Hamel |
| Mouth Location: | Saguenay (ville) |
| Mouth Coordinates: | 48.1718°N -70.8978°W |
| Mouth Elevation: | 170m (560feet) |
The Bras Rocheux is a tributary of the Bras d'Hamel, flowing in the administrative region of Saguenay–Lac-Saint-Jean, in the province of Quebec, in Canada. The course of the river successively crosses:
The route 381 serves the western side of the Ha! Ha! River And cut the lower part of the "Bras Rocheux". A few other secondary forest roads serve the Arms of the "Bras Rocheux" Valley, especially for forestry and recreational tourism activities.[2]
Forestry is the main economic activity in this valley; recreational tourism, second.
The surface of the Rocky Arm 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.
The main watersheds adjacent to the "Bras Rocheux" are:
The "Bras Rocheux" rises at the mouth of Surprise Lake (length: 0.7km (00.4miles); altitude: 319m (1,047feet) which is located in municipality of Ferland-et-Boilleau. This crescent-shaped lake open to the southeast has a marsh area at the northwest end and another at the south end. The mouth is located at:
The "Bras Rocheux" flows over 12.5km (07.8miles) with a drop of 149m (489feet) entirely in the forest zone, according to the following segments:
Le "bras Rocheux" flows into a bend in the river on the west bank of the Bras d'Hamel, next to route 381. This confluence is located at:
From the confluence of the "Bras Rocheux" with the Bras d'Hamel, the current follows the course of the Bras d'Hamel on 0.8km (00.5miles) towards the northeast, the course of the rivière à Mars on 11.8km (07.3miles) towards the northeast, crosses the Baie des Ha! Ha! north-east on 11km (07miles), then the course of the Saguenay River east on 99.5km (61.8miles) until Tadoussac where it merges with the Saint Lawrence estuary.[3]
The term "rocheux" (English: rocky) turns out to be a descriptive adjective, because of the presence of rocks on the course of the river.
The toponym "Bras Rocheux" was formalized on December 5, 1968, at the Place Names Bank of the Commission de toponymie du Québec.[4]