| Bras d'Isaïe | |
| 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: | Unorganized territory |
| Subdivision Name5: | Lac-Ministuk |
| Length: | 10.9km (06.8miles)[1] |
| Discharge1 Location: | Lac-Ministuk |
| Source1: | Lac du Bec |
| Source1 Location: | Lac-Ministuk |
| Source1 Coordinates: | 48.143°N -70.9539°W |
| Source1 Elevation: | 358m (1,175feet) |
| Mouth: | Rivière à Mars |
| Mouth Location: | Lac-Ministuk |
| Mouth Coordinates: | 48.2147°N -70.9714°W |
| Mouth Elevation: | 250m (820feet) |
| Tributaries Left: | (from the mouth) Discharge of lac Lorenzo, bras des Mouches, dicharge of lac Lévesque. |
| Tributaries Right: | Discharge of an unidentified lake. |
The Bras d'Isaïe (English: arm of Isaiah) 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. The course of the river crosses the eastern part of the zec Mars-Moulin.
A few secondary forest roads serve the valley of the "Bras d'Isaïe", 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 d'Isaïe" 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.
The main watersheds neighboring the "Bras d'Isaïe" are:
The "Bras d'Isaïe" rises at the mouth of "Lac du Bec" (length: 0.2km (00.1miles); altitude: 358m (1,175feet)) which is located in the unorganized territory of Lac-Ministuk. This source is located at:
The "Bras d'Isaïe" flows over 10.9km (06.8miles) with a drop of 108m (354feet) entirely in the forest zone, according to the following segments:
The "Bras d'Isaïe" pours into a bend on the south bank of the Mars river. This confluence is located at:
From the confluence of the "Bras d'Isaïe" with the Mars river, the current follows the course of the Mars river on 25.2km (15.7miles) 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 term "Isaïe" constitutes a biblical character and a first name in French.
The toponym "Bras d'Isaïe" was formalized on June 29, 1983, at the Place Names Bank of the Commission de toponymie du Québec.[4]