Château Brethous is a Bordeaux winery in the Cadillac-Côtes-de-Bordeaux appellation that extends over 16 hectares in the Entre-deux-Mers, with a grape variety composed of 72% Merlot, 20% Cabernet Sauvignon, 4% Cabernet Franc and 5% Malbec. The main building is a pretty 18th century charterhouse that dominates the right bank of the Garonne.

Since 2008, the estate has been moving towards organic and biodynamic cultivation. He is now certified in organic farming and is in the process of becoming certified in biodynamics.

There are traces of the First Côtes de Bordeaux vineyard as early as Roman times and of the Brethous estate, then a farmhouse, as early as the 17th century. Named after its founder, M. de Bretous, jurat in the parliament of Bordeaux, Marguerite Brethous and her brother Adrien Brethous sold the estate in 1806 to the Bordeaux merchant Jean Dupuch, then in 1880, the latter's family sold it to Anne Larégénie and Fançois Larrieu. Charles Cocks mentions the estate in his wine classification as a quality chateau in the commune of Camblanes.

Mr. and Mrs. François Verdier became owners in 1963 and today it is their daughter Cécile Mallié-Verdier and Thierry Mallié who manage the estate. Château Brethous is a beautiful family estate on a human scale, managed in a responsible and ecological way.