The Mountain Winery, formerly the Paul Masson Mountain Winery, is a winery in Saratoga, California, United States, North America. It was founded by Paul Masson, a pioneer of the California wine industry. The winery became famous for its slogan, voiced by Orson Welles in television commercials: "We will sell no wine before its time." The winery is a California Historical Landmark (#733) and is listed on the National Register of Historic Places.