Treat yourself to an exclusive San Francisco wine country experience with this tour that includes an after-hours Grgich Hills Estate winery tour and four-course dinner aboard the Napa Valley Wine Train. With this Viator Exclusive, available nowhere else, get a behind-the-scenes look at this certified organic and biodynamic winery and enjoy several tastings during your evening tour. Then, hop aboard the Napa Valley Wine Train and indulge in a gourmet dinner with or without wine on your way back to Napa.This small-group tour limited to 20 people ensures a more intimate experience.