Château Cos d'Estournel is a prestigious Second Growth (Deuxième Cru) estate from the Saint-Estèphe appellation in the Médoc region of Bordeaux, France. This acclaimed red Bordeaux blend is crafted primarily from Cabernet Sauvignon and Merlot grapes, with potential additions of Petit Verdot or Cabernet Franc.

The wine exhibits dark fruit notes including black currant, plum, and cherry, complemented by earthy undertones of licorice, tobacco, and graphite. Floral elements such as violets and potpourri add complexity, along with nuances of cedar and chocolate. The structure features medium to medium-plus tannins with a long, elegant finish.

This wine pairs exceptionally well with beef, lamb, venison, pork, mushrooms, hard cheeses, pasta with tomato-based sauces, and pungent cheeses. Known for its excellent aging potential, Château Cos d'Estournel consistently receives professional ratings averaging above 9 out of 10, making it one of the most celebrated wines from Saint-Estèphe.