Château Montrose is a winery in the Saint-Estèphe appellation of the Bordeaux region of France. The wine produced here was classified as one of fourteen Deuxièmes Crus (Second Growths) in the original Bordeaux Wine Official Classification of 1855.
Château Cos Labory is a left-bank Bordeaux estate in Saint-Estèphe that makes Cabernet Sauvignon-dominant red blends.Château Cos Labory is now 18 hectares (44 acres), making it one of the smallest of the cru classé châteaux. It is planted mostly to Cabernet Sauvignon, along with some Merlot, Cabernet Franc and a small amount of Petit Verdot. The vineyard has a high gravel content along its border with Cos d'Estournel but has more clay along its other border, ideal for its Merlot.