Our tasting room is located amidst the art-filled gardens of Cornerstone Sonoma. Join us for a tasting on our deck or by the fireplace. The tasting room is open daily, no appointment is necessary. For a customized visit, please e-mail us at firstname.lastname@example.org or call us at (707) 706-2020.
Open Daily 10am - 5pm
Obsidian Wine Co. Tasting Room
23568 Arnold Drive, Sonoma, CA 95476
Fall Release Pickup Day
Venue: Sunset Test Kitchen @ Cornerstone Sonoma • 23568 Arnold Dr., Sonoma, CA 95476
Join us for Kabobs + Cabernet as we celebrate our Fall Release in the Sunset Test Kitchen at Cornerstone Sonoma, just steps from our Tasting Room. Enjoy grilled kabobs from Spread Catering along with our newly released wines, including our 2017 Obsidian Ridge “The Slope" Cabernet Sauvignon. Live music provided by local favorites 3 on a Match. Bring a friend (or friends)—if they join our wine club, we’ll give you both a special gift from our cellar to say, "thank you!" This event is complimentary for members of our wine club; members please log in to access your tickets.
RSVP Required • $25/person • Complimentary for Wine Club Members
End of Harvest Celebration at Poseidon Vineyard
Venue: Poseidon Vineyard
Celebrate the end of harvest at Poseidon Vineyard. We'll start with a walking tour and then gather 'round the table for an afternoon, family-style feast paired with our small lot wines, made from the very vines that surround you. Bask in the colors of Carneros in autumn and take in the fresh marine air at our seaside vineyard. Book early as seats are limited for this intimate dining experience.
RSVP Required • $125/person • $100/person for Wine Club Members
Annual Cellar Holiday Party
Venue: Cellar • 21684 8th St. East, Suite #450, Sonoma, CA 95476
Join us to celebrate the holidays and our newly released reserve wine selections from Obsidian Ridge & Poseidon Vineyard. We'll be serving up delicious bowls of Cioppino—a Bay Area classic during this season. Live music, barrel samples and plenty of mingling with our team and fellow wine lovers. This event is complimentary for members of our wine club; members please log in to access your complimentary tickets.
RSVP Required • $40/person • Complimentary for Wine Club Members
Lighting of the Snowmen
Venue: Tasting Room • 23568 Arnold Dr., Sonoma, CA 95476
SAVE THE DATE: Now in its 14th year, the Annual Lighting of the Snowmen here at Cornerstone Sonoma has become a Sonoma Valley holiday tradition—the festival features live music, crafts for kids, wine & beer tastings, warm drinks, delicious food, festive decorations and Santa himself. Stop by our Tasting Room to enjoy specials on our wines by the glass.