The Perigord Walnut Route winds its way through the walnut-growing landscapes of the Corrèze, Lot and Dordogne valleys, offering a choice of four main itineraries based around four A.O.P. Noix du Périgord varieties: Franquette, Grandjean, Corne and Marbot. A.O.P. (Appellation d’Origine Protégée). Documentation available from local tourist offices.