Tasting Room & Picnic Grounds: Clos Du Val boasts one of the most friendly, down-to-earth winery experiences in Napa Valley brought to you in an incomparably beautiful setting. Clos Du Val offers everything from a casual tasting at their tasting bar, to formal tours and tastings with the winemaker, to large group wine tasting and blending seminars. Beautifully manicured grounds provide the perfect setting for romantic interludes or picnics with family and friends.