| Lepallier | |
| Map: | Broadback map.png |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Nord-du-Québec |
| Length: | 39.3km (24.4miles)[1] |
| Source1: | Lepallier Lake |
| Source1 Location: | Eeyou Istchee Baie-James (municipalité), Nord-du-Québec, Jamésie, Quebec |
| Source1 Coordinates: | 50.9208°N -78.0194°W |
| Source1 Elevation: | 190m (620feet) |
| Mouth: | Broadback River |
| Mouth Location: | Waskaganish (Cree village municipality), Nord-du-Québec, Jamésie, Quebec |
| Mouth Coordinates: | 51.3153°N -78.7358°W |
| Mouth Elevation: | 8m (26feet) |
| Tributaries Left: | Louvart River |
The Lepallier River is a tributary of the south shore of the Broadback River flowing westward to Rupert Bay, located south of the James Bay. The Lepallier River flows in the municipalities of Eeyou Istchee Baie-James (municipality) and Waskaganish (Cree village municipality), in the administrative region of Nord-du-Québec, in Quebec, in Canada.
The hydrographic slopes near the Lepallier River are:
The Lepallier River flows northwest between the Nottaway (located to the south) and the Broadback River (located to the north).
This hydrographic slope originates from Rodayer Lake (length: ; altitude:), located at north of the Nottaway River, at north of Desorsons Lake (elevation:) and west of Utamikaneu Lake (surrounded by marsh, altitude:).
From Lepallier Lake, the Lepallier River flows over, first to the northwest, then to the north, collecting the waters of the Louvart River (coming from the South-East) and crossing several marsh areas. Its mouth flows to the south bank of the Broadback River, southeast of the Creevillage of Waskaganish (Cree village municipality), at upstream of the mouth of the latter river, at downstream of the mouth of the Machisipi River and at downstream of the mouth of the Natouacamisie River.
The Lepallier River is accessible from the Rodayer Lake campground, near the "James Bay Road". The Lepallier River is accessible from the Rodayer Lake Campground, near the "James Bay Road".
The old name of this watercourse was "Coussinet river".
The toponym "Lepallier River" was formalized on December 5, 1968, at the Commission de toponymie du Québec.[2]