Click here to see the map of the relief of the Richelieu
Relief in the river Richelieu
catchment area is not steep at all, since it is formed by a valley
created by teh Champlain sea.
There are many hills, though : the Montérégiennes
hills for example.The catchment area is also composed of Saint-Bruno
Mount (213 m), Saint-Hilaire Mountain (408 m), Saint-Grégoire
Mount (252 m) and Rougemont (396 m).
On Saint-Hilaire mountain, there are many interesting minerals.
On the american part of the basin, the catchment area has got many
mountains.
