| Sainte-Anne River | |
| Pushpin Map: | Quebec |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Bas-Saint-Laurent |
| Subdivision Type4: | MRC |
| Subdivision Name4: | Kamouraska Regional County Municipality |
| Source1: | Petit lac Sainte-Anne |
| Source1 Location: | Mont-Carmel |
| Mouth: | Grande Rivière |
| Mouth Location: | Saint-Onésime-d'Ixworth |
| Basin Size: | NaNkm (-2,147,483,648miles) |
| Tributaries Left: | (upstream) |
| Tributaries Right: | (upstream) |
The Sainte-Anne River (in French: rivière Sainte-Anne) flows successively in the unorganized territory of Petit-Lac-Sainte-Anne and in the municipalities of Saint-Onésime-d'Ixworth, in the Kamouraska Regional County Municipality, in the administrative region of Bas-Saint-Laurent, in Quebec, in Canada.
The Sainte-Anne river is a tributary of the east bank of Grande Rivière, which flows on the east bank of the Ouelle River which empties in turn on the south shore of the St. Lawrence River at the height of Rivière-Ouelle.
The Sainte-Anne River has its source at Petit lac Sainte-Anne (length: ; altitude:) which is connected to lac Saint-Anne (length: ; altitude:), located to the west of the first. This last lake straddles the boundary between the municipality of Sainte-Perpétue. These two water bodies are interconnected by a long strait in an east–west direction. These bodies of water are part of the unorganized territory of Petit-Lac-Sainte-Anne, located in the heart of Notre Dame Mountains. This spring is located at south-east of the south shore of the St. Lawrence River, at south-east of the village center from Saint-Onésime-d'Ixworth, to north-east of the village center of Sainte-Perpétue and to southeast of the village center of Mont-Carmel.
From the retention dyke at the north mouth of Petit lac Sainte-Anne, the Sainte-Anne river flows entirely through a forest environment over, divided into the following segments:
The Sainte-Anne river flows on the east bank of La Grande Rivière. This confluence is located upstream of a bridge on Ixworth Road and to the southeast of the southern coast of the St. Lawrence River.[1]
The toponym “rivière Sainte-Anne” was formalized on December 5, 1968, by the Commission de toponymie du Québec.[2]