The 50 hectares of Léoville and 17 hectares of Langoa, planted in gravelly soil with a clay sub-soil, include large proportions of old vines in order to obtain the best possible quality. The grape varieties is 74% Cabernet Sauvignon, 23% Merlot and 3% Cabernet Franc for Léoville Barton, while Langoa Barton’s terroir is shared as follows 57% Cabernet Sauvignon, 34% Merlot and 9% Cabernet Franc. Both properties have the same vinification methods.