The Fraser River (in French: rivière Fraser) crosses the municipality of Saint-Paul-de-Montminy, in the Montmagny Regional County Municipality, in the administrative region of Chaudière-Appalaches, in Quebec, in Canada.

The confluence of the Moulin river constitutes the source of the Alick River which flows on the south bank of the rivière du Sud (Montmagny); the latter first flows southwest, then northeast to the south shore of the St. Lawrence River.

The main neighboring watersheds of the Moulin river are ː The river of the Moulin takes its source from a small lake on the northern slope of a mountain of Notre Dame Mountains, in the fifth rang, north of the village of Saint-Paul-de-Montminy.

[1] From its source, the Moulin river "flows over 13.6 kilometres (8.5 mi) according to the following segments: The confluence of the Moulin River "is located almost at the limit of the municipalities of Notre-Dame-du-Rosaire and Saint-Paul-de-Montminy.

This confluence is located at 7.3 kilometres (4.5 mi) south of the center of the village of Notre-Dame-du-Rosaire, at 5.3 kilometres (3.3 mi) east of the village of Sainte-Euphémie-sur-Rivière-du-Sud and 7.1 kilometres (4.4 mi) north of the center of the village of Saint-Paul-de-Montminy.