Gundlach Bundschu — often called “GunBun” — combines deep Sonoma history with a noticeably relaxed personality. The Rhinefarm estate dates to the nineteenth century and remains associated with the same family, so the visit has an authentic historical foundation even though the atmosphere is more casual than many heritage wineries. Vineyards, old winery spaces and caves give guests plenty of context beyond the tasting room.
Visitors can keep the experience simple with a bar tasting or move into seated reserve and collector-level flights. More immersive options add cave or vineyard touring and provide a better understanding of the Rhinefarm property and the family’s long history in Sonoma. The wine range is broad enough for mixed groups, with reds, whites and aromatic varieties represented rather than a single narrow specialty.
Despite its relaxed image, GunBun is not a bring-your-own-picnic property. Outside food and general picnicking are restricted, although snacks and cheese/charcuterie may be available. The winery is a particularly good fit for visitors who want one historically important Sonoma stop without the formality of a luxury Cabernet estate. It also works well for groups, provided larger parties make arrangements rather than arriving unannounced.
Gundlach Bundschu photos
Gundlach Bundschu details
- Address
- 2000 Denmark St, Sonoma, CA 95476
- Phone
- (707) 938-5277
- Reservations required
- Reservations are not required for every visit but are highly recommended; tours, premium tastings and larger groups should reserve.
- Tasting price
- $30–$105
- Typical visit time
- About 45–90 min; tours can run longer
- Wine focus
- Estate-grown Sonoma wines including Cabernet Sauvignon, Pinot Noir, Chardonnay, Gewürztraminer and Bordeaux varieties
- Discount available
- No tasting-pass discount listed
- Picnic
- No — general outside food and picnicking are not permitted.
- Food
- Yes — seasonal snacks and cheese/charcuterie options are available with select tastings.
- Group tasting
- Yes — private group experiences are available; parties of about 9+ should arrange in advance.
- Distance from Sonoma
- 3 miles
- Distance from San Francisco International Airport (SFO)
- 48.5 miles
Common questions about visiting Gundlach Bundschu
Do I need a reservation at Gundlach Bundschu?
Gundlach Bundschu is listed as reservations recommended. Walk-ins may be possible when space permits, but a reserved time is the safer plan if you are visiting more than one winery the same day. Listing note: Reservations are not required for every visit but are highly recommended; tours, premium tastings and larger groups should reserve. Confirm before you go; policies change by day and experience.
How much does a tasting at Gundlach Bundschu cost?
Tasting fees at Gundlach Bundschu are listed at $30–$105. Published option: Bar tasting: about $30 / ~45 min. Rhinefarm tasting: about $45. Collector tasting: about $65 / ~90 min. Cave/tour experience: roughly $80. Additional premium estate experiences can reach about $105. Private group tasting for larger parties is typically priced separately. Fees and formats change; confirm with the winery before you book.
How long should I plan to spend at Gundlach Bundschu?
Plan About 45–90 min; tours can run longer at Gundlach Bundschu, not counting drive time to the next stop. Leave a buffer before any later reservation so you are not cutting a longer tasting short.
What should I expect at Gundlach Bundschu?
Gundlach Bundschu is listed with a focus on Estate-grown Sonoma wines including Cabernet Sauvignon, Pinot Noir, Chardonnay, Gewürztraminer and Bordeaux varieties. Food note: Yes — seasonal snacks and cheese/charcuterie options are available with select tastings. Picnic note: No — general outside food and picnicking are not permitted. Groups: Yes — private group experiences are available; parties of about 9+ should arrange in advance. The overview at the top of this page covers tasting styles and who the stop is for.
What wineries should I visit before or after Gundlach Bundschu?
Wineries often paired with Gundlach Bundschu include Scribe Winery, Buena Vista Winery, Bartholomew Estate Winery, and Sebastiani Vineyards & Winery. Stay geographically tight rather than crossing Sonoma mid-day.
Where does Gundlach Bundschu fit into a Sonoma tasting day?
Use GunBun as part of a Sonoma Plaza/east Sonoma day. It pairs naturally with Scribe or Buena Vista; because outside picnics are not allowed, plan lunch in Sonoma or choose a neighboring winery with an explicit food program.
Tasting options and prices
- Bar tasting: about $30 / ~45 min. Rhinefarm tasting: about $45. Collector tasting: about $65 / ~90 min. Cave/tour experience: roughly $80. Additional premium estate experiences can reach about $105. Private group tasting for larger parties is typically priced separately.
Tasting fees and formats change. Confirm current options with the winery before you book.
Discount available
No tasting-pass discount is listed for Gundlach Bundschu right now. Recheck Sonoma tasting discounts or confirm current offers with the winery.
Other wineries near Gundlach Bundschu
- Scribe Winery
- Buena Vista Winery
- Bartholomew Estate Winery
- Sebastiani Vineyards & Winery
Use the Sonoma winery map to compare drive miles and reservation windows.
Information last verified: September 2026. Visitor details (hours, tasting prices, reservations) are sourced from the official winery website. Confirm before you visit. How we maintain listings.