Green Valley of Russian River Valley · Sonoma County
Visit Square Peg Winery with a Private Chauffeur
Dry-farmed Pinot Noir, Chardonnay and Zinfandel tasted on a ridgetop estate between Sebastopol and Occidental, and a suggested six-hour day of tasting around it.
Book a Six-Hour Wine Tour
About the Winery
Square Peg is a boutique, family-owned and family-run winery on Stoetz Lane, in the hills between Sebastopol and Occidental. Its estate vineyard sits where three appellations overlap, the Russian River Valley, Green Valley of Russian River Valley and the Sonoma Coast, and the wines are made by William Knuttel, a longtime California winemaker who has spent most of his career on ultra-premium wine.
The vineyard was planted in 1999 on a ridge at about 800 feet, first to Bradford Mountain Zinfandel; in 2011 half of it was budded over to the 828 and Calera clones of Pinot Noir. The vines are dry-farmed, with no irrigation at all, which the Gold Ridge soil makes possible: sandy loam on top for drainage, mineral-rich clay below that holds the winter rain, and roots that reach as deep as 30 feet. Each vine is tended by hand. Alongside the estate wines are a Riddle Vineyard Pinot Noir and an old-vine Biglieri Zinfandel and a Meritage from Dry Creek Valley.
The wines are made in small lots and sold only at the estate tasting room, which makes the visit the point. Tastings are private and seated, a flight of six estate wines, and for anyone curious about how dry farming works, the tasting can include a guided walk through the vines with sun on the ridge and the coastal fog not far off.
Tasting Fees
Tasting fees to be verified upon reservation.
Tasting fees as of September 2026. Wineries set and collect their own fees, and they change from time to time.
At a Glance
Location
4728 Stoetz Lane, Sebastopol
AVA
Green Valley of Russian River Valley
Visiting
Private seated tastings by appointment at the estate. Call or text the winery to book, or book online; we arrange the time on your behalf.
Known For
Estate-grown, dry-farmed Pinot Noir, Chardonnay and Zinfandel
Founded
Estate vineyard planted in 1999
Good to Know
Tastings are private and seated, with an optional guided vineyard walk. The wines are sold only at the estate tasting room and through the winery's club and online store. Group size, age and pet policies are not published; we confirm them when we book.
A Suggested Six-Hour Day
Pickup at 10:00 a.m. from a west county hotel such as Farmhouse Inn or The Sebastopol Inn.
10:00 · Pickup at Farmhouse Inn or The Sebastopol Inn
Farmhouse Inn, a 25-room country inn among the vineyards and redwoods of Forestville, and The Sebastopol Inn, in downtown Sebastopol, are each about 30 minutes from Square Peg Winery, up into the hills toward Occidental. The day below fits a six-hour tour, and extra time can be added by the hour.
10:30 · Square Peg Winery
A private seated tasting of six estate wines, with a walk through the dry-farmed vines if you like; we plan about an hour and confirm the fee when we book.
11:50 · Paul Hobbs Winery
About 20 minutes away. Paul Hobbs's Katherine Lindsay Estate, with a winery designed by architect Howard Backen; Hobbs was on the founding team at Opus One before starting his own label in 1991. The seated Signature Tasting of four wines with house-made dips, flatbreads and vegetables from the estate garden is $95, about 75 minutes, for up to 8 guests. Reservations required; 21 and over.
1:10 · Lunch at Underwood Bar and Bistro
About 5 minutes away. A bistro in the village of Graton with red vinyl banquettes, a nickel-topped bar and an open-air patio. Lunch is served Wednesday to Sunday, 11:30 a.m. to 2:30 p.m. Prefer a picnic? We can arrange a catered picnic at a winery that allows one; the cost is quoted when you book.
2:35 · Pax Wines
About 15 minutes away. Pax and Pamela Mahle's urban winery at The Barlow in Sebastopol, with roll-up garage doors and vinyl on the turntable; Pax made his name with cool-climate Syrah, crushed by foot. The Private Tasting & Cellar Tour, at least eight wines with a cheese and salumi board and a walk through the working cellar, is $95 and about 90 minutes; 21 and over. Open daily from 11 a.m.; we reserve ahead.
4:05 · Back to your hotel
Back in Sebastopol by 4:10 p.m., or Forestville by 4:30 p.m.
Three wineries is the right pace for a day of serious tasting. This day works Wednesday to Sunday, when Underwood serves lunch. Square Peg is by appointment, and Paul Hobbs does not publish its days, so we confirm both when we book.
About $190 per person at Paul Hobbs and Pax ($95 each); Square Peg's tasting fee is to be verified upon reservation. Each is paid directly to the winery.
Every tour is custom. This day is a starting point: your chauffeur will shape it around what matters to you, and we plan multi-day tours for guests who want to see more of wine country.
Your Vehicle & Six-Hour Tour Rates
Up to 6 guests
Elite Luxury SUV
Lincoln Navigator or Cadillac Escalade
From $750
Six-hour wine tour, plus 20% gratuity. Additional hours $125 each.
Up to 9 guests
Jet Sprinter or Executive Luxury Van
Captain's chairs and room to spread out
From $1,350
Six-hour wine tour, plus 20% gratuity. Additional hours $225 each.
Larger groups travel in more than one vehicle, and we plan the winery appointments around your group, since many wineries limit groups to 6 to 8 guests. Tasting fees are separate and paid directly to each winery. Every tour starts with six hours; add time by the hour when you book.
Questions
Do I need a reservation at Square Peg Winery?
Yes. Tastings are private, seated and by appointment. When you book a tour with us, your chauffeur makes the reservation for you.
How much is a tasting at Square Peg Winery?
Square Peg does not publish its tasting fee; tasting fees are to be verified upon reservation.
What does dry-farmed mean at Square Peg?
The vines get no irrigation, only the rain stored in the Gold Ridge soil, and their roots reach as deep as 30 feet. The winery believes this gives more balanced, concentrated wines.
Can I buy Square Peg wine in stores?
No. The wines are made in limited quantities and sold at the estate tasting room, through the club and online.
Who makes the wine at Square Peg?
William Knuttel, a longtime California winemaker focused on ultra-premium wine.
How does booking a tour with Bien Chauffeured work?
Reserve a six-hour tour online, even if your plans are still taking shape. Your chauffeur will email you first to learn what matters to you, then build your itinerary and make the winery appointments. Extra hours can be added.
Reserve Your Tour Now, Plan the Details Later
Your plans don't need to be final to book. Reserve your six-hour tour online, and your chauffeur will email you first to learn what matters to you, then build your itinerary and make the winery appointments. Prefer to talk? Call our concierge at 888-291-2328.
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