Le Moyne River should not be confused with Lemoine River.
| Le Moyne River | |
| Pushpin Map: | Quebec |
| 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: | La Côte-de-Beaupré Regional County Municipality |
| Subdivision Type5: | Municipality |
| Subdivision Name5: | Château-Richer |
| Length: | 76km (47miles) |
| Source1: | Lac du Sault à la Puce |
| Source1 Location: | Château-Richer |
| Source1 Coordinates: | 47.0056°N -71.0411°W |
| Source1 Elevation: | 295 m |
| Mouth: | St. Lawrence River |
| Mouth Location: | Château-Richer |
| Mouth Coordinates: | 46.9525°N -71.0389°W |
| Mouth Elevation: | 4 m |
| Tributaries Left: | Unidentified stream |
| Tributaries Right: | Unidentified stream |
The Le Moyne River generally flows south, on the north shore of the St. Lawrence River, in the municipality of Château-Richer, in the La Côte-de-Beaupré Regional County Municipality in the administrative region of Capitale-Nationale, in the province of Quebec, in Canada.
The lower part of this small valley is served by avenue Royale (route 360) and route 138 which runs along the north shore of St. Lawrence River. The Chemin de la Mine, the Montée des Hirondelles and the Montée des Chênes serve the intermediate part to the foot of the moraine. The upper part has mountainous relief and some secondary forest roads, including Chemin Beauséjour, are accessible. Forestry is the main economic activity in this valley; agriculture (lower part) second.
The surface of the Le Moyne River is generally frozen from the beginning of December until the end of March; however, safe traffic on the ice is generally from mid-December to mid-March. The water level of the river varies with the seasons and the precipitation; the spring flood occurs in March or April.
The Le Moyne river begins at the confluence of two streams in the mountains behind the Côte-de-Beaupré, in Château-Richer. This source is located west of the course of the rivière du Sault à la Puce, northwest of mouth of the Le Moyne river and northwest of the northwest shore of the St. Lawrence River.
From this source, the course of the Le Moyne river descends on, with a drop of, according to the following segments:
The Le Moyne River flows into Château-Richer into a small bay on the northwest shore of the St. Lawrence River. This bay faces the northern tip of Île d'Orléans which is distant by the chenal de l'Île d'Orléans. This mouth is located between the hamlet Le Moyne (located on the south side) and the village of Laverdière. This confluence is located north of the center of the village of L'Ange-Gardien, south of the center of Château-Richer and north of the bridge linking Île d'Orléans to L'Ange-Gardien.
The name evokes the explorer Pierre LeMoyne d'Iberville.
The toponym "Rivière Lemoyne" was formalized on December 5, 1968 at the Place Names Bank of the Commission de toponymie du Québec.[2]