The regional appellation is for crémant (sparkling wine made according to the Champagne method) in the French wine region of Bordeaux. It was introduced in 1990 and replaced the AC Bordeaux Mousseux, which was still valid until 1995. Cabernet Sauvignon, Cabernet Franc, Carmenère, Colombard, Malbec, Merlot, Muscadelle, Petit Verdot, Sauvignon Blanc, Sémillon and Ugni Blanc are permitted for white wine. For the rosé, Cabernet Sauvignon, Cabernet Franc, Carmenère, Malbec, Merlot and Petit Verdot are permitted. Versions from dry to sweet are produced.