Sinegal Estate is a historic Napa Valley Winery just west of Highway 29 on the south side of St. Helena. With just 9.5 acres of organic vines, our dedicated team produces four elegant wines from grapes grown entirely on our own estate: Sauvignon Blanc, Cabernet Sauvignon, Cabernet Franc, and Reserve Cabernet Sauvignon. Artfully blended by expert winemakers, our wines are available for purchase online and in-person with private tours and tastings hosted on our beautiful grounds. Order today or call to schedule a visit!