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Business Details
Family-Owned Winery Crafting Premium Organic Wines Since 1858
For over 160 years, our family has dedicated itself to crafting premium wines at the crossroads of Sonoma Valley, Carneros, and Napa Valley. As stewards of the historic Rhinefarm Estate, we combine six generations of winemaking heritage with Regenerative Organic Certified practices to produce small-lot, estate-grown wines that reflect our land's unique character. Our approach emphasizes sustainability, innovation, and community, offering immersive experiences like vineyard tours, private tastings, and cultural events that celebrate Sonoma's laid-back spirit.

With a focus on Cabernet Sauvignon, Pinot Noir, and other varietals, we blend tradition with modern techniques to create approachable yet complex wines. Our commitment to quality extends to every visitor interaction, from casual tastings in our courtyard to exclusive member events and concerts. As pioneers of California's oldest wine family legacy, we continue to innovate while honoring our roots in every bottle we produce.
Services
Wine Tastings Vineyard Tours Private Events Wine Club Concerts Weddings
Highlights and features
  • Six generations of continuous family ownership since 1858
  • Regenerative Organic Certified vineyard practices
  • Award-winning small-lot wine production
  • Unique immersive experiences including cave tours
  • Hosted Sonoma Valley's Best Winery 2025 by Travel + Leisure
Associations and certifications
  • Regenerative Organic Certified
Services
Wine Tastings
Our curated wine tastings showcase estate-grown varietals in multiple settings. The Rhinefarm Tasting features five wines in courtyard or barrel room seating. The Bundschu Heritage Flight offers limited bottlings from old vines. The Sonoma Original Bar Tasting provides a standing experience with three signature wines.
Vineyard Tours
Explore our Regenerative Organic Certified vineyards through guided experiences. The GB Underground Cave Tour includes wine tasting in historic caves. The Fall Vineyard Walking Tour combines harvest insights with in-vineyard tastings. All tours emphasize sustainable farming practices and estate terroir.
Private Events
Host weddings, corporate events, or private tastings on our 320-acre estate. Our venues accommodate groups from nine to 200+ guests. Services include customized wine pairings, seasonal menus, and access to concert lawns. The property features dramatic vistas and historic architecture for special occasions.
Wine Club
Our wine club offers 15-20% discounts, quarterly tastings, and exclusive releases. Members receive concert pre-sales, private events, and direct wine shipments. Club tiers include Strictly Reds, Collector's Case, and seasonal specialty selections with curated experiences at our member-only tasting location.
Live Music
Experience our summer concert series featuring national acts in our vineyard setting. Events include pre-show VIP access, wine specials, and food trucks. The annual Huichica Music Festival showcases eclectic musical performances across multiple stages in our estate's unique outdoor spaces.
People
Jeff Bundschu
Winemaker
Fifth-generation winemaker overseeing production since 1987. Focuses on small-lot, estate-driven wines while maintaining family traditions. Leads sustainable practices implementation across the 320-acre property.
Katie Bundschu
Vice President
Leads brand development and sustainability initiatives. Founded the Abbot's Passage project showcasing old-vine field blends. Manages regenerative organic certification across all vineyard operations while maintaining family legacy.
Questions
What are your tasting room hours?
Open daily 11:30am-5:30pm Mon-Thur and 11am-5:30pm Fri-Sun. Last seatings at 4pm.
Do you offer wine club memberships?
Yes, Bacchus Club offers 15-20% discounts, exclusive releases, and member events. Three tier options available.
Can I bring food to the winery?
Outside food not permitted. We offer cheese and charcuterie options for purchase.
Are dogs allowed on the property?
Yes, well-behaved dogs on leash welcome in designated areas. No pets in caves or vineyards.
Do you host private events?
Yes, weddings, corporate events, and private tastings available for groups of nine or more.
What sustainability practices do you use?
Regenerative Organic Certified since 2023, focusing on soil health, biodiversity, and ecosystem restoration.
Videos
Reviews (5)
Alyssa Jane
Dec 24, 2021 Report
My friend and I did the winter cave tour and I would absolutely recommend it! We got to learn about how the vineyard has worked hard to maintain sustainable farming practices! We were the only ones who booked it (Thursday early afternoon) and our host, Kat was wonderful! She taught us so much about the vineyard/wine. The wine was amazing and Kat made sure we had an unforgettable experience. Definitely will be back!!
Jason C.
Dec 10, 2021 Report
Do not pass this winery up. The cave tour was perfect, Murray our tour guide was amazing, knowledgeable, warm and friendly. Such beautiful grounds and ofcourse the wines were delicious. We will be back.
Chris Riviere
Dec 05, 2021 Report
This place was highly recommended by a friend of mine so stopped by last minute. Blown away by the scenery around the vineyard. Everyone was super cool and we were able to buy a bottle and given a few glasses to enjoy the wine around the winery. The Zinfandel was highly recommended and thoroughly enjoyed. Highly recommend this place!
Gary S.
Nov 30, 2021 Report
What an experience!!! Amazing staff esp our server. She explained all the wines carefully, made us feel comfortable and relaxed, and truly was amazing!

Honestly, I will continue coming back here and will recommend this winery to everyone!!
Laura Green
Nov 05, 2021 Report
From the photo, you will see that our view was lovely. Carol, our wine host, was wonderful, and we enjoyed learning about the label and the family. The tasting was good. Heres why one star. After an hour of enjoying the story and the place, we stopped in the gift shop. We wanted to continue our support with a gift shop purchase. My daughter and I both chose something to buy only to be told we couldnt purchase one of our items because we were not members. So I paid your tasting fee, enjoyed your wine, but Im not worthy to buy a hat? Poor job, BunGun. Ill not return and let everyone know