| Cloutier River | |
| Pushpin Map: | Quebec |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Chaudière-Appalaches |
| Subdivision Type4: | MRC |
| Subdivision Name4: | Montmagny Regional County Municipality |
| Source1: | Mountain and forest streams |
| Source1 Location: | Sainte-Apolline-de-Patton |
| Mouth: | St. Lawrence River |
| Mouth Location: | Sainte-Apolline-de-Patton |
| Progression: | Bras Saint-Nicolas, rivière du Sud (Montmagny), St. Lawrence River |
| Tributaries Left: | (upstream) |
| Tributaries Right: | (upstream) |
The Cloutier river (in French: rivière Cloutier) flows in the municipalities of Sainte-Apolline-de-Patton, Notre-Dame-du-Rosaire, Cap-Saint-Ignace, in the Montmagny Regional County Municipality, in the administrative region of Chaudière-Appalaches, in Quebec, in Canada.
The Cloutier river is a tributary of the southwest shore of the Bras Saint-Nicolas, which flows on the southeast shore of the rivière du Sud (Montmagny); the latter flows north-east to the south shore of the St. Lawrence River.
The main neighboring watersheds of the Cloutier river are:
The Cloutier river "has its source on the northern slope of the Notre Dame Mountains, in the municipality of Sainte-Apolline-de-Patton. Several branches of mountain and forest streams feed the head of the Cloutier river.
From its source, the Cloutier river flows over, with a drop of, divided into the following segments:
The Cloutier river flows on the southwest bank of the Bras Saint-Nicolas. This confluence is located upstream of the "Great lock" and downstream of the mouth of the Méchant Pouce River.[1]
The toponym Rivière Cloutier was formalized on December 5, 1968, at the Commission de toponymie du Québec.[2]