The Pessac-Léognan appellation is part of the Graves wine region. It extends over communes bordering the west and south of the city of Bordeaux, on the left bank of the Garonne. The wines of Pessac-Léognan have the particularity of having a classification of classified crus for both reds and whites, some estates being classified in both colours. The vineyard covers an area of 1640 hectares for a production of 70,000 hectolitres, of which more than 80% are red wines. There are three types of soil : gravelly, clay-limestone and sandy-gravelly. The main grape varieties are Merlot, Cabernet Sauvignon, Cabernet Franc, Malbec, Petit Verdot and Carmenère for the reds ; Sauvignon Blanc, Semillon, Sauvignon Gris and Muscadelle for the whites. The red wines can be kept for 3 to 10 years (up to 20 years for the classified crus) and the whites for 2 to 6 years (up to 10 years for the classified crus).