| Rivière des Iroquois | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Montérégie |
| Subdivision Type4: | Regional County Municipality |
| Subdivision Name4: | Le Haut-Richelieu Regional County Municipality |
| Subdivision Type5: | Municipality |
| Subdivision Name5: | Saint-Jean-sur-Richelieu |
| Length: | 10.1km (06.3miles) |
| Source1: | Various agricultural streams |
| Source1 Location: | Saint-Jean-sur-Richelieu |
| Source1 Coordinates: | 45.3471°N -73.3024°W |
| Source1 Elevation: | 39m (128feet) |
| Mouth: | Richelieu River |
| Mouth Location: | Saint-Jean-sur-Richelieu |
| Mouth Coordinates: | 45.3594°N -73.2689°W |
| Mouth Elevation: | 23m (75feet) |
| Progression: | Richelieu River, Saint Lawrence River |
| Tributaries Left: | (Upstream) Maillé stream, Lemieux stream. |
| Tributaries Right: | (Upstream) La Grande Décharge. |
The Rivière des Iroquois is a tributary of the Richelieu River. It flows in the Saint-Luc sector, of the municipality of Saint-Jean-sur-Richelieu, in the Le Haut-Richelieu Regional County Municipality, in the region administrative of Montérégie, in southern part of the province of Quebec, in Canada.
The river surface is generally frozen from mid-December to the end of March. Safe traffic on the ice is generally from late December to early March. The water level of the river varies with the seasons and the precipitation.
The main hydrographic slopes near the "Rivière des Iroquois" are:
The Rivière des Iroquois draws its head water from an agricultural area north of Chemin Saint-André, in the Saint-Luc sector, at Saint-Jean-sur-Richelieu.
This river flows northeast of the city of Saint-Jean-sur-Richelieu on:
In short, the upper part of the Iroquois river surrounds the urban area of the Saint-Luc sector.
The Iroquois River flows onto the east bank of the Chambly Canal, located on the west side of the Richelieu River, opposite the Île Sainte -Thérèse, at the northern limit of the urban area of Saint-Jean-sur-Richelieu.
The toponym "Rivière des Iroquois" was formalized on February 11, 1976 at the Place Names Bank of the Commission de toponymie du Québec.[2]