North of Yountville and Stags Leap District is the Oakville appellation, home to such distinguished wineries as Dalla Valle, Far Niente, Harlan Estate, Opus One and Screaming Eagle. In addition, two of Napa’s most highly regarded vineyards, To Kalon and Backus, are located in Oakville. The appellation is two miles wide and extends to 600 feet up the Vaca Mountains to the east and the Mayacamas Mountains to the west. Oakville red wines are typically described as rich and full-bodied with cassis, black currant, black-licorice, and cedar flavors. Oakville has almost 50 wineries with about half of them open for tasting. Half of those open for tasting require an appointment.