The rivière du Moulin is a tributary of chenal de l'Île d'Orléans, flowing in the municipality of Saint-Pierre-de-l'Île-d'Orléans, in the L'Île-d'Orléans Regional County Municipality, in the administrative region of Capitale-Nationale, in the province of Quebec, in Canada.. The lower part of this small valley is served by Chemin Royale which bypasses all of Île d'Orléans.