MARAIS DE GRÉE

Between Ancenis and Saint Herblon, the Grée marsh is a temporary marsh, a vast wetland which can reach 450 hectares and which shelters a diversified flora and an interesting fauna (many migratory birds: ducks, geese, teals, herons, but also barges, curlews...). Observatory and panels on site Maison du Marais is open on Sundays from January to early May. Free access all year round. Guided tour by the Tourist Office of Ancenis (2 €/pers. or 20 €/school class). Marked trails on site (Circuit des Marais). Marais de Méron nearby.