| Davoust | |
| Map: | Harricana map.png |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Eeyou Istchee Baie-James (municipality) |
| Length: | 19.8km (12.3miles)[1] |
| Source1: | Lake Mouilliers |
| Source1 Location: | Eeyou Istchee Baie-James (municipality), Nord-du-Québec, Quebec |
| Source1 Coordinates: | 50.7483°N -79.8667°W |
| Source1 Elevation: | 244m (801feet) |
| Mouth: | Nottaway River |
| Mouth Location: | Eeyou Istchee Baie-James (municipality), Nord-du-Québec, Quebec |
| Mouth Coordinates: | 50.7483°N -77.8667°W |
| Mouth Elevation: | 0m (00feet) |
The Davoust River is a tributary of the northeast shore of the Nottaway River, flowing into the municipality of Eeyou Istchee Baie-James (municipality), in the administrative region of Nord-du-Québec, in Quebec, in Canada.
The Davoust River flows entirely in the forest and marsh zone at the East of Lake Dusaux, which is crossed by the Nottaway River. The surface of the river is usually frozen from early November to mid-May, however, safe ice circulation is generally from mid-November to mid-April.
A forest road passes on the East side of Mouliers Lake.
The hydrographic slopes near the Davoust River are:
The Davoust River has its source at the mouth of Lake Mouliers (length:, wide: ; altitude:).
From the mouth of Mouliers Lake, the Davoust River flows over through the following segments:
The mouth of the Davoust River is located at:
The toponym "Davoust River" was formalized on December 5, 1968, at the Commission de toponymie du Quebec.[3]