Located between the St. Lawrence River and the Saguenay Graben, the altitude of its plateau varies between 800 and 900 meters while its highest point, Mount Raoul Blanchard, reaches 1,181 metres (3,875 ft) of altitude.

The Jacques-Cartier Lake massif is one of the geographical features of the Laurentian Mountains.

With the Valin Mountains, its altitude exceeds by several hundred meters the rest of the peaks of the chain.

The main peaks are: This list is incomplete and in several sectors of the territory the altitude exceeds 1,000 metres (3,300 ft) without having a physiognomy of mount.

[1] Being part of the domain of white birch fir (sector 5ef),[2] the most common tree species is black spruce.