Explore hiking trails around Sainte-Marthe-sur-le-Lac, Québec. The best hike near Sainte-Marthe-sur-le-Lac 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. Sainte-Marthe-sur-le-Lac has population 18074.0.