| Saint Pierre River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Administrative region |
| Subdivision Name3: | Laurentides |
| Subdivision Type4: | Regional County Municipality |
| Subdivision Name4: | Mirabel, sector "Saint-Janvier" |
| Subdivision Type5: | Cities |
| Subdivision Name5: | Mirabel |
| Source1 Location: | Mirabel, sector "Saint-Janvier" |
| Source1 Coordinates: | 45.7167°N -73.9569°W |
| Source1 Elevation: | 72m (236feet) |
| Mouth Location: | Mascouche River, Mascouche |
| Mouth Coordinates: | 46.7303°N -73.8697°W |
| Mouth Elevation: | 51m (167feet) |
| Length: | 9.4km (05.8miles) |
The Saint-Pierre River is a tributary of the Mascouche River, flowing in the sector of "Saint-Janvier", in the city of Mirabel, in the region administrative Laurentides, in the southwest of Quebec at Canada.
This river runs eastwards an agricultural plain skirting the northern village of "Saint-Janvier".
Saint Pierre river rises between the Highway 15 and route 117, the northwest side of the village of Saint-Janvier. This source is located at:
Course of the river
From its source, the Saint-Pierre River flows on, according to the following segments:
The confluence of the Saint-Pierre River flows on the north bank of the Mascouche River, or west of the city limits of Sainte-Thérèse-de-Blainville.
The place name "Rivière Saint-Pierre" is of Christian origin. Two tributaries of the north bank of the Mascouche River are designated "Saint-Pierre River."
The place name "Saint-Pierre River" was formalized on August 8, 1977 at the "Banque de noms de lieux" (Bank of place names) of Commission de toponymie du Québec (Quebec Geographical Names Board).[2]