Opus one Winery is a Joint Venture of Robert Mondavi and Baron Philippe de Rothschild. In 1980 they found Opus One Winery at Napa Valley.

Looking out across Opus One's Vineyards. One immediate senses a difference. Cultivated with passion and Singular Vision. Opus One's four meticulously hedged vineyards are unique in the Napa Valley. There is a continutiy in the way the vines are planted, tended, and harvested that imbues each vintage with unwavering Quality.