Sterling Vineyards Napa Valley Cabernet Sauvignon. Sterling Vineyards, one of Napa Valley’s premier winery destinations, offers an array of distinct and beautifully crafted wines from its home appellation. The Sterling Vineyards Napa Valley wines show the depth, strength and incredible quality representative of California’s most famous wine region. The grapes for Sterling Vineyards Napa Valley wines are grown in 14 diverse and premium vineyards throughout the valley—from the cool southern Carneros region to the warm and rugged northernmost reaches of the valley near Calistoga. These incredible vineyards give Winemaker Harry Hansen some of the best Napa Valley fruit to select from and craft these unique, intensely flavored and expressive wines.