| Le Petit Bras | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Capitale-Nationale |
| Subdivision Type4: | Regional County Municipality |
| Subdivision Name4: | Charlevoix Regional County Municipality |
| Subdivision Type5: | Unorganized territory and municipality |
| Subdivision Name5: | Saint-Urbain |
| Length: | 18.1km (11.2miles) |
| Source1: | Lac du Bras |
| Source1 Location: | Saint-Urbain |
| Source1 Coordinates: | 47.5295°N -70.7053°W |
| Source1 Elevation: | 805m (2,641feet) |
| Mouth: | Le Gros Bras |
| Mouth Location: | Saint-Urbain |
| Mouth Coordinates: | 47.5717°N 70.5506°W |
| Mouth Elevation: | 80m (260feet) |
| Tributaries Left: | (upstream from the mouth) Discharge from a small lake, unidentified stream, stream at Pois, discharge from Lake Simard, stream from Monts, stream Gagnon, discharge from a group of small lakes. |
| Tributaries Right: | (upstream from the mouth) Discharge from a small lake, discharge from a small lake, two streams, discharge from two small lakes, stream, discharge from two small lakes, stream. |
Le Petit Bras is a tributary of the southwest bank of the lower part of the watercourse Le Gros Bras, flowing in the municipality of Saint-Urbain, in the Charlevoix Regional County Municipality, in the administrative region of Capitale-Nationale, in the province of Quebec, in Canada.
The lower part of this valley is mainly served by Chemin des Pointes and by Chemin du rang Saint-François which becomes Rue Saint-Édouard in the village of Saint-Urbain. The rest of the valley is served by a few forest roads. Forestry is the main economic activity in this valley; recreational tourism, second.
The surface of the lower part of Le Petit Bras is generally frozen from the beginning of December until the beginning of April; however, safe circulation on the ice is generally done from mid-December to the end of March. The upper part of this stream has a freezing period of about an additional week. The water level of the river varies with the seasons and the precipitation; the spring flood generally occurs in April.
The Petit Bras rises at the mouth of Lac du Bras (length: ; altitude:) which is surrounded by mountains. This source of the river is located at:
From its source, the course of Le Petit Bras descends on in a generally deep valley, with a drop of, according to the following segments:
Le Petit Bras flows onto the southwest bank of Le Gros Bras, in the municipality of Saint-Urbain. This mouth is located at:
From the mouth of Le Petit Bras, the current descends on following the course of Le Gros Bras towards the south-east; then on with a drop of following the course of the rivière du Gouffre which flows into Baie-Saint-Paul in the St. Lawrence River.[1]
The toponymic designation "Branche Sud du Gros Bras" appears in the 1969 Toponymic Directory as the official form. Considering that the name "Le Petit Bras" was used by residents of the area, the Commission de toponymie du Québec formalized the name change in July 1976. Note: A stream officially named on the sheet 21M / 07, located eight kilometers to the southeast. Toponymic variants: Rivière des Pointes, South Branch of the North-West Arm and South Branch of the Gros Bras.
The toponym "Le Petit Bras" was formalized on September 22, 1976 at the Place Names Bank of the Commission de toponymie du Québec.[2]