United States / Howell Mountain / Napa Valley
O'Shaughnessy Del Oso LLC
1150 Friesen Dr, Angwin, CA, 94508
About the Winery
O'Shaughnessy Estate Winery is located on Howell Mountain in Napa Valley. Founded by Betty O'Shaughnessy Woolls, the winery manages several rare Bordeaux varietal plantings in Napa Valley including Carménère, Gros Verdot, and St. Macaire. The estate includes vineyards on Howell Mountain, Mount Veeder, and Oakville. Produces estate-grown Cabernet Sauvignon and Merlot.
Contact Info
Tasting Room
By appointment only. Tours by appointment only.