| Petite rivière à la Loutre | |
| 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: | 13.3km (08.3miles) |
| Source1: | Very little lake |
| Source1 Location: | L'Île-d'Anticosti |
| Source1 Coordinates: | 49.1908°N -61.9989°W |
| Source1 Elevation: | 72m (236feet) |
| Mouth: | Gulf of Saint Lawrence |
| Mouth Location: | L'Île-d'Anticosti |
| Mouth Coordinates: | 49.0758°N -61.9931°W |
| Mouth Elevation: | 1m (03feet) |
| Tributaries Left: | (upstream) stream (coming from the northeast) and 3 small streams. |
| Tributaries Right: | (upstream) stream (coming from the northwest), stream (coming from the northwest) and 3 small streams. |
The Petite rivière de la Loutre is a watercourse flowing into Gulf of St. Lawrence, flowing in the eastern part of the municipality of L'Île-d'Anticosti, in the Minganie Regional County Municipality, in the administrative region of Côte-Nord, in the province of Quebec, in Canada. The course of this river delimits the eastern part of the territory of SÉPAQ Anticosti and the logging zone; the two sections of SÉPAQ Anticosti territory are separated by .
A forest road runs along the valley of this river. Forestry is the main economic activity in the western part of this area; secondly, recreational tourism activities, especially for the eastern part which is part of the SÉPAQ Anticosti.
The Petite rivière de la Loutre flows between the rivière aux Loups Marins (located to the east) and the Corbet stream (located to the west).
The Petite rivière de la Loutre draws its source from a very small lake (altitude:) located in the eastern part of Anticosti Island. This source is located on the southeast side of Lac au Renard (head water body of Rivière au Renard), either at:
From its source, the Petite rivière de la Loutre flows on towards the south with a drop of, until its mouth where the current bypasses a small Isle. This mouth is located at the end of a small bay, between Pointe aux Oies (located on the east side) and Pointe de la Croix (located on the west side).[1]
The Petite rivière de la Loutre flows on the south shore of Anticosti Island, that is to the south-west of the Pointe de l'Est of the island, and at east of the village center of Port-Menier.[1]
The toponym "Petite rivière de la Loutre" was made official on September 12, 1974, at the Place Names Bank of the Commission de toponymie du Québec.[2]