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PhilosophyNon-conformist label, wines built around character and distinctiveness over commercial appeal
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VarietiesSauvignon Blanc, Chardonnay, Pinot Noir, Zinfandel
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AccessBy appointment only · intimate and personalized experience
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SettingGehricke Road estate, scenic Sonoma Valley hillside location
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About Square Peg Winery
Square Peg Winery at 18781 Gehricke Road takes its name from its core philosophical commitment: making wines that don't fit conventional California wine molds, that prioritize character and distinctiveness over commercial approachability, and that treat the Sonoma Valley as a source of genuine diversity rather than a template for predictable varietal expressions. Founded in 2004, Square Peg has spent two decades earning a devoted following among wine enthusiasts who appreciate principled non-conformism.
The Gehricke Road estate sits on Sonoma Valley hillsides where elevation, volcanic soils, and aspect create growing conditions producing wines with natural tension and complexity. Sauvignon Blanc, Chardonnay, Pinot Noir, and Zinfandel are the primary varieties, each produced in a style emphasizing freshness, natural acidity, and genuine character over the ripe, generous fruit profile that California wine marketing typically rewards.
Tastings are by appointment only at $30, with an intimate format providing direct engagement with the winemaking philosophy. The Gehricke Road location offers scenic Sonoma Valley hillside views and a genuine remove from the valley's more trafficked visitor destinations.
"Square Peg is Sonoma Valley wine for the non-conformist, a Gehricke Road estate that has spent two decades producing wines that don't fit the Sonoma Valley mold and don't need to."
Featured Wines
White · Signature
Sauvignon Blanc
Sonoma Valley
The Square Peg flagship, crisp, mineral, showing the grassy-citrus character that Sauvignon Blanc achieves in cool hillside Sonoma Valley conditions. Non-conformist by design.
Red Wine
Pinot Noir
Sonoma Valley
Character-driven Pinot that prioritizes earthen complexity and natural acidity over fruit weight, the Square Peg philosophy applied to Sonoma's signature red.
Red Wine
Zinfandel
Sonoma Valley
Old-vine Sonoma Valley Zinfandel with spice and structure from hillside growing conditions, less fruit-forward, more characterful than typical Zin.
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Classic Tasting
A guided tasting of current-release wines at Square Peg Winery. Contact the winery for current pricing, duration, and availability.
Contact winery
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Group & Private Experiences
Many wineries in Sonoma Valley offer private tastings, reserve experiences, or seated tours for groups. Reach out directly to plan.
By appointment
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Vineyard & Cellar Tours
When available, vineyard or cellar tours offer a deeper look at how Square Peg makes its wines. Check the winery's website for schedules.
Varies
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Events & Member Programs
Square Peg may host seasonal events, harvest activities, or wine club member tastings. Subscribe via the winery's site for updates.
Varies
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