Explore hiking trails around Saint-Jean-sur-Richelieu, Québec. The best hike near Saint-Jean-sur-Richelieu is Lac à la Tortue Loop via Sentier des Lacs and Sentier Montérégien - Tronçon facile, a 6.3 mile loop in Mont-Saint-Bruno National Park. Saint-Jean-sur-Richelieu has population 97873.0.