They are the eyes and ears of the organization on the territory. They go through the trails of the refuge faunique Marguerite-D'Youville looking in every nook and cranny. Preservation and tranquility of the territory are possible thanks to the patroller volunteers that walk 700 hours during the year. They inform hikers and build awareness, clean the shores and trails, report anomalies, notice new species, photograph nature at its best. These trustworth people allow an unmatched protection of the territory.