On the other side of the river, facing Saint-Marc-sur-Richelieu, is Saint-Charles-sur-Richelieu, which offers an interactive tour accessible directly on your mobile phone:
Discover Saint-Charles-sur-Richelieu | In the Footsteps of the Patriots
Designed by the Municipality of Saint-Charles-sur-Richelieu, this tour is available on BaladoDiscovery. It is recommended to preload it before visiting so you can access it from anywhere during your tour.