Grand Puy Ducasse has 45 hectares of well-sited vineyards, one parcel on a gravel plateau near Batailley, and another adjacent to Lafite-Rothschild and Mouton-Rothschild. The wine is�a blend of 61% Cabernet Sauvignon and 39% Merlot�- it is matured in oak casks (30% new) for 18 months before being bottled.