| Rivière du Pavillon | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Côte-Nord |
| Subdivision Type4: | Regional County Municipality |
| Subdivision Name4: | Minganie Regional County Municipality |
| Length: | 25.3km (15.7miles) |
| Source1: | Mountain stream |
| Source1 Location: | L'Île-d'Anticosti |
| Source1 Coordinates: | 49.3713°N -62.8841°W |
| Source1 Elevation: | 253m (830feet) |
| Mouth: | Gulf of Saint Lawrence |
| Mouth Location: | L'Île-d'Anticosti |
| Mouth Coordinates: | 49.19°N -62.9067°W |
| Mouth Elevation: | 1m (03feet) |
| Tributaries Left: | (upstream) Two streams, Pavillon East River |
| Tributaries Right: | Three streams. |
The rivière du Pavillon (English: Pavillon River) is a tributary of the Gulf of Saint Lawrence, flowing in the municipality of L'Île-d'Anticosti, in the Minganie Regional County Municipality, in the administrative region of Côte-Nord, in province of Quebec, in Canada.
The upper part of this valley is served by a network of forest roads for the needs of forestry and recreational tourism activities. A road (east–west direction) joins the intermediate part; another road the east side of the lower part.[1]
The Pavillon river draws its source from a small lake (altitude:), located in the south-central part of the island. This lake located on the watershed has two outlets: one towards the west constituting the head of the Vauréal River; the other to the south constituting the head of the Pavillon river. This source is located in a forest area at:
From its source, the Rivière du Pavillon descends between the rivière aux Plats (located on the west side) and the Ferrée River (east side). The Pavillon River generally flows south over, with a drop of, according to the following segments:
The Pavillon River empties on the south shore of Anticosti Island, in the Gulf of Saint Lawrence, on the east side of Cap des Caps. This confluence is located east of the mouth of the rivière aux Plats, at east of the mouth from the Ferrée River and at east of the center of the village of Port-Menier.[2]
This toponymic designation appeared in 1925 in the Dictionary of Rivers and Lakes of the Province of Quebec. This toponym also appears in a volume published in 1904 and in 1924, in the Bulletin de la Société de géographie de Québec.
The toponym "rivière du Pavillon" was made official on December 5, 1968.[3]