| Dumont River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Centre-du-Québec |
| Subdivision Type4: | MRC |
| Subdivision Name4: | Arthabaska Regional County Municipality |
| Subdivision Type5: | Municipality |
| Subdivision Name5: | Chesterville |
| Length: | 4.1km (02.5miles) |
| Source1: | Mountain streams |
| Source1 Location: | Chesterville |
| Source1 Coordinates: | 45.9693°N -71.8297°W |
| Source1 Elevation: | 264m (866feet) |
| Mouth: | Nicolet River |
| Mouth Location: | Chesterville |
| Mouth Coordinates: | 45.9553°N -71.8356°W |
| Mouth Elevation: | 152m (499feet) |
| River System: | St. Lawrence River |
| Tributaries Left: | (upstream) |
| Tributaries Right: | (upstream) |
| Country: |  Canada |
The Dumont River (in French: rivière Dumont) is a tributary of the Nicolet River which flows on the south shore of the St. Lawrence River. The Dumont River flows entirely in the municipality of Chesterville, in the Arthabaska Regional County Municipality (MRC), in the administrative region of Centre-du-Québec, in Quebec, in Canada.
The neighboring hydrographic slopes of the Dumont River are:
The "Dumont River" has its source in a mountainous area at north of the village of Chesterville in the municipality of Chesterville, between two mountains (summit of to the west and to the east).
The Dumont river flows on according to the following segmentsː
The Dumont River empties on the northeast shore of the Nicolet River at southwest of the center of the village of Chesterville.
The term "Dumont" constitutes a family name of French-speaking origin.
The toponym "rivière Dumont" was made official on September 5, 1985, at the Commission de toponymie du Québec.[2]