An estate winery on the silverado trail. Black Stallion Estate Winery is located in Napa valley's Oak Knoll District along the Silverado Trail. It is named in honor of the historic equestrian estate that once graced the grounds and was the largest of its kind in California. The picturesque fieldstone exterior houses a state-of-the-art winery desinged for crafting wines from Napa Valley's finest vineyards. This Cabernet Sauvignon comes from a diverse range of vineyards each contributing unique influences resulting in an elegant, expressive wine. Supple tannins support the wine's deep cherry and plum character - the perfect complement to prime aged steaks and braised short ribs. blackstallionwinery.com. Alcohol 14.5% by volume.