The three hiking trails are located on l'île du Milieu and l'île de la Commune, in the lac Saint-Pierre archipelago. The trails run along wetlands and through wooded swamps where a wide variety of plants and animals can be observed, including 222 species of birds. Several interpretive signs, footbridges and three observation towers will make your visit truly enjoyable. Directions : route 158 towards Saint-Ignace-de-Loyola, the parking area is located after the first bridge when leaving Berthierville. Hours : year round, from sunrise to sunset. Nature interpreter from mid-June to late August. Guided walks can be booked. Free admission.