Porter-Bass Add to Itinerary Favorite California Wineries Description Photos Map Upcoming Events Description Porter-Bass is a family run Biodynamic and Organic vineyard and winery. We are located in the Russian River and Sonoma Coast grape growing regions in Sonoma County. Photos Napa Valley Map Loading... No Records Found Sorry, no records were found. Please adjust your search criteria and try again. Maps failed to load Sorry, unable to load the Maps API. Enter your location Get Directions Travel modeDrivingWalkingBicyclingPublic Transport Distance unitsMilesKilometers Upcoming Events No listings were found matching your selection. Something missing? Why not add a listing?. Contact Us Website Address Address: 1750 Mays Canyon Road Guerneville CA United States 95446 Get Directions Business Hours : 9:00 am - 5:00 pm Mon 9:00 am - 5:00 pm Tue 9:00 am - 5:00 pm Wed 9:00 am - 5:00 pm Thu 9:00 am - 5:00 pm Fri 9:00 am - 5:00 pm Sat 9:00 am - 5:00 pm Sun 9:00 am - 5:00 pm Category: California Wineries and Sonoma Back to results