Dunn Vineyards is located east of St. Helena in the town of Angwin on Howell Mountain. The Winery was established in 1979, with the first harvest of Cabernet Sauvignon grapes. In 1981, the first release consisted of 660 cases of 100% Cabernet Sauvignon from the Howell Mountain vineyards. In 1982, Dunn released a Napa Valley Cabernet Sauvignon. Dunn is one…