Plan your wine country vacation to Napa Valley and Sonoma County with our easy-to-use winery maps. Our recently updated Napa Valley Winery Map will help you locate which Napa Valley wineries welcome walk-ins for tastings and which winereis require advance reservations. Discover the Napa Valley appellations and also where to take pictures with the iconic Welcome to Napa Valley signs. Download maps below or click here to buy the Napa Valley Winery Map online.