AltO de Cantenac Brown is the white wine produced by Château Cantenac Brown, a Margaux Third Growth estate in Bordeaux, France. This small-production Bordeaux Blanc is crafted from a single vineyard parcel planted predominantly to Sauvignon Blanc, with additions of Sauvignon Gris and Sémillon for added texture and complexity. The wine is vinified and aged entirely in French oak barrels, lending a rich, creamy structure reminiscent of serious white Burgundy.

The wine shows lifted aromas of citrus zest, white peach, and lime blossom alongside chamomile and subtle spice. On the palate it is vibrant and elegant with confit citrus flavors and a bright, mouthwatering finish. The oak aging provides a creamy spine that elevates this beyond a simple Sauvignon Blanc-driven white. Costco offers this wine by the case of six 750ml bottles.