COVID-19 Update | 3.23.20

Our tasting room is currently closed. You can still shop online and support our family, plus get $1 shipping on 4+ bottles with code GBTOYOU. Stay safe & be kind.

Shop now >>


Come on over to spend a few hours getting to know the land, the wines, and the people that make Gundlach Bundschu unique. Just five minutes from the historic Sonoma Plaza, our location along the Napa-Sonoma border is convenient for visitors on either side of the valley. Click here for directions. We look forward to welcoming you on Rhinefarm and to the oldest family-owned winery in California… and the most fun.


SUMMER (April – October) 11:00 am – 5:30 pm

WINTER (November – March) 11:00 am – 4:30 pm

Reservations Recommended. We are open every day except Thanksgiving Day, Christmas Eve, Christmas Day and New Year’s Day.

Planning your visit? Explore all our experiences below.

Heritage Reserve Experience

Join us in Sonoma for a Heritage Reserve Experience, a food and wine pairing featuring our Heritage and Reserve wines. You’ll experience some of our extremely small-production, limited releases that you can’t taste anywhere else on the property.


Learn More Book Now

Pinzgauer Excursion

Climb aboard our 12-person, 6-wheeled Pinzgauer – an Austrian made military vehicle – and get WAY off the beaten path on a Sonoma vineyard tour.  Sip five estate selected wines at stops along the way, learn modern grape farming techniques, and soak up views of our vineyard on this off-road adventure.

$65 per person

Learn More Book Now

Gun Bun Underground

This underground cavern stays a naturally chilly temperature for the wines, but the dining room definitely adds cool factor. This seated cave wine tasting offers an exploration of five wines, paired with local cheeses and charcuterie.

$55 Tasting Flight

Learn More Book Now

Vista Courtyard Tasting

Sit back and taste our wines in our gorgeous courtyard, under the olive trees and overlooking our pond. Locally sourced food pairings are also available for purchase. Weather permitting. 

$30 – $40 Tasting Flight

Learn More Book Now

Vineyard and Cave Tour

Your well informed tour hosts will guide you through the barrel aging cave and into the vineyards to learn about our Green Business Practices, Fish Friendly Farming and our sustainable vineyard practices.


Learn More Book Now

Historic Winery Tasting

Step inside the oldest building on our property, the original winery, to sample a pre-selected flight of five estate-driven wines.

$25-$35 per person

Learn More Book Now

Rhinefarm Estate

Invite your closest friends to take over ‘The Bungalow’ for an elevated tasting experience, you can choose a vinyl record to play on the vintage turn table or lounge in the outdoor living room with vineyard views.

$50/person; Reservations required

Learn More Book Now

Bacchus Club Lounge

Club Members can hang at this exclusive spot and enjoy wines by the glass and by the bottle at your own pace, as well as cheeses and other snacks.

Learn More

Block 19

This customizable outdoor experience can make all your dreams come true with the option of tastings, bottle service and even a lunch option available.

Learn More

Private Pinzgauer Tour

Climb aboard our Pinzgauer Swiss Army Vehicle with up to 12 of your closest friends for an exploration of our 320 acres of vineyards and a tasting of five estate-produced wines along the way.

Learn More

Private Parties

Whether you are planning a corporate retreat, family celebration, or want something special for a milestone event, let our warm Hospitality Staff take care of you.

Learn More

Arbor Bar

Mosey up to our Arbor Bar to enjoy sunshine, games and Gun Bun wines. Flights available as well as by the glass and by the bottle as well as cheeses and other snacks also available

Learn More