Lac Sainte-Anne du Nord is encased between mountains whose proximity peaks reach to the northwest, to the southeast and to the northeast. Its mouth is located at: • east of Lac Carré, the outlet of which meets north the south bank of the
Petite rivière Malbaie; • south-est of a curve of
Malbaie River; • north of the confluence of the
Sainte-Anne River and the
Saint Lawrence River; • northwest of downtown
Baie-Saint-Paul. Lac Sainte-Anne du Nord has a length of in the shape of a rectangle with rounded corners, a maximum width of and an altitude of . This lake is mainly fed by the outlet (coming from the north) of the Sainte-Anne river and by the outlet (coming from the east) of Lac Grâce. From the dam at the mouth of Lake Sainte-Anne du Nord, the current descends on first to the southwest, south, then southwest, in following the course of the Sainte-Anne river, which crosses downtown
Beaupré, to the northwest shore of the Saint-Laurent river. == Toponymy ==