In 1959, then property of Edouard Gasqueton, Couhins castle - confined in Gascon - is promoted Cru Classé de Graves for its white wines. Ten years later, his new life begins when INRA, the National Institute of Agronomic Research, buys it and saves it from extinction, to conduct experiments on the vine as well as on wine. Château Couhins has since become a reference in terms of environmental protection and reasoned fight. To give just one example, it was here that the method of sexual confusion, a pest control technique, was developed by disrupting their reproductive hormonal system in a biological way. is in integrated production, a global approach to produce grapes as healthy as possible. Since 2010, the castle has also embarked on a collective process of Environmental Management System - SME - to integrate the concept of environmental protection in the slightest gestures and aspect of the life of the estate, which allowed it to ISO 14001 certification. At the same time, the wines have regained their former glory and are a delight for connoisseurs.

Chateau Couhins is located in Villenave d'Ornon, just outside Bordeaux. Long owned by a family of tradesmen, it was classified in 1959. The estate belongs today to INRA, the National Institute of Agronomic Research, which saved it from extinction in 1968. The Chateau Couhins has enjoys the most advanced research in terms of sustainable viticulture, and as such, has become a benchmark in the field of environmental protection. At the same time, after years of efforts, the vineyard has regained its rank of Cru Classe. Its recognized quality makes it a connoisseur's wine that opens the doors of the Negoce de la Place de Bordeaux.