Chateau Rieussec is a wine producer located in Fargues, in the Sauternes appellation in Bordeaux. The 93 hectares (230 acres) of vineyards are planted mostly with Semillon, alongside plots of Sauvignon Blanc and a small amount of Muscadelle. The terroir in Sauternes helps the spread of Botrytis cinerea,and Rieussec's grapes are hand-harvested as they are affected by noble rot. The best bunches are used to make the grand vin, which after fermentation spends 26 months in oak, about half new. All other juice isused to make the second wine, Carmes de Rieussec, which is only aged for 18 months. A dry white wine, R de Rieussec, is made from a blend of Semillon and Sauvignon Blanc and is partially barrel-fermented.