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 t