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.

[1][2][3] The Pavillon river draws its source from a small lake (altitude: 253 m (830 ft)), located in the south-central part of the island.

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 25.3 km (15.7 mi), with a drop of 252 m (827 ft), 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.