1,500 ha of hardwoods (beech and oak) and softwoods (Pectinated fir and Douglas fir). Hiking, horse-riding and mountain-biking trails. Etang du Vieux Château, Etang de Coulanges: fishing. Nature discovery trail (18 stations). Departure point: Ermitage chapel (18th century, former convent now occupied by Carmelite nuns). Arboretum. 11th-century motte féodale (listed monument). Bird sanctuary: Lac du Gast (Groupe Ornithologique Normand). Orienteering and fitness trail at the Vierge à la Vilaine crossroads.