Château Léoville Barton is a vineyard in the Saint-Julien region of Bordeaux, ranked a second growth in the 1855 Classification. The vineyard, which has gravel soils over clay, is planted 74 percent to Cabernet Sauvignon, 23 percent to Merlot and 3 percent to Cabernet Franc. After a manual harvest, fermentation takes place in large temperature-controlled wooden vats, and then the wine is aged in 50 percent new oak barrels.