| Minguy 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: | Agricultural streams |
| Source1 Location: | Montmagny |
| Mouth: | Rivière du Sud (Montmagny) |
| Mouth Location: | Montmagny |
| Progression: | Rivière du Sud (Montmagny), St. Lawrence River |
| Tributaries Left: | (upstream) ruisseau de la Blague |
| Tributaries Right: | (upstream) |
The Minguy river is a tributary of the southeast bank of the rivière du Sud (Montmagny), which flows northeast to the south bank of the St. Lawrence River.
The Minguy River flows in the municipality of Montmagny, in the Montmagny Regional County Municipality, in the region administrative office of Chaudière-Appalaches, in Quebec, in Canada.
The main neighboring watersheds of the Minguy River are:
The Minguy River has its source in the eastern part of the municipality of Montmagny, near the limit of Cap-Saint-Ignace.
From its source, the Minguy River flows over, with a drop of, divided into the following segments:
The Minguy River flows onto the south bank of the rivière du Sud (Montmagny). This confluence is located upstream from the highway 20 bridge, downstream from the confluence of the Miscou stream and downstream from the rue Principale bridge.[1]
The toponym Minguy River was formalized on December 5, 1968, at the Commission de toponymie du Québec.[2]