Explore details about location Route Castonguay. Route Castonguay is a location situated within the Québec alongside other areas such as Rue Couillard-Delislets, Avenue René, Rue de Versailles. Additionally, some smaller parts of Route Castonguay include specific areas like Chemin de la Traverse, Chemin de la Coulée-à-Épiphane, Chemin de la Rivière adding to the diversity of its landscape.