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Tasting Room

Our Tasting Room is located amidst the art-filled gardens of Cornerstone Sonoma. Come and enjoy your tasting on our deck or by our fireplace—and get to know the hand-crafted character of our single-vineyard wines. Please contact us at or by phone at 707-706-2020 to schedule your visit.


Open Daily 10am-5pm
Cornerstone Gardens | 23568 Arnold Dr. | Sonoma, CA 95476
Direct 707-706-2020 | Main 707-255-4929

Poseidon Vineyard and Obsidian Ridge Tasting Room
View Tasting Room location for Poseidon Vineyard/Obsidian Ridge in Google Maps


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