| Bras du Coco | |
| 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 |
| Subdivision Type5: | Municipality and Unorganized territory |
| Subdivision Name5: | Ferland-et-Boilleau and Lac-Ministuk |
| Length: | 11.8km (07.3miles)[1] |
| Discharge1 Location: | Lac-Ministuk |
| Source1: | Lac Croche |
| Source1 Location: | Ferland-et-Boilleau |
| Source1 Coordinates: | 48.143°N -70.9539°W |
| Source1 Elevation: | 357m (1,171feet) |
| Mouth: | Rivière à Mars |
| Mouth Location: | Lac-Ministuk |
| Mouth Coordinates: | 48.2072°N -70.9431°W |
| Mouth Elevation: | 230m (760feet) |
| Tributaries Left: | (from the mouth) Discharge of "Lac des Belles Filles", discharge of lac Jerry. |
| Tributaries Right: | Discharge of "Petit lac Pacifique". |
The arm of the Coco is a tributary of the rivière à Mars, flowing in the unorganized territory of Lac-Ministuk, 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.
A few other secondary forest roads serve the Coco 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 "Bras du Coco" 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 "Bras du Coco" rises at the mouth of Lac Croche (length: 1.9km (01.2miles); altitude: 357m (1,171feet)) which is located at the southwestern limit of the municipality Ferland-et-Boilleau. This source is located at:
The "Bras du Coco" flows over 11.8km (07.3miles) with a drop of 127m (417feet) especially in the forest zone, according to the following segments:
The "Bras du Coco" pours into a bend on the south bank of the rivière à Mars. This confluence is located at:
From the confluence of the "Bras du Coco" with the rivière à Mars, the current follows the course of the rivière à Mars on 23km (14miles) generally towards the north, crosses the Baie des Ha! Ha! northeast on 11km (07miles), then the course of the Saguenay River east on 99.5km (61.8miles) to Tadoussac where it merges with the Saint Lawrence estuary.[3]
The toponym "bras du Coco" was formalized on December 5, 1968, at the Place Names Bank of the Commission de toponymie du Québec.[4]