A Controlled Designation of Origin for Bordeaux vineyards that only produces red wines. The appellation is located in Libourne, east of Bordeaux. 1200 hectares are devoted to this appellation, which produces about 54,000 hectolitres per year. Neighbouring the Pomerol appellation, they are separated by a river, the Barbanne. A union has been created around this appellation to promote producers. This union notably knew Jacques-Yves Cousteau as honorary president!