of the Richelieu Catchment Area
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
2007 EPTB/COVABAR/Université de La Rochelle