Château Suduiraut Sauternes is a sweet white wine produced in the Sauternes region of Bordeaux, France. It is made from a blend of Semillon and Sauvignon Blanc grapes that have been affected by noble rot, a fungus that concentrates the sugars and flavors in the grapes. Château Suduiraut is one of the most prestigious Sauternes producers, and its wines are known for their complexity, richness, and longevity.