' Shop All - Six Sigma Ranch and Winery

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Family, Ranch, Tempranillo

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Book your tasting and discover unforgettable wines, wide open landscapes, and the authentic charm of the ranch.

Open Daily

Office & Store 9:00am-4:30pm

Wine Tasting
Sun-Thur 11:00am-4:30pm
Fri-Sat 11:00am-7:30pm

Hiking & Biking Trails 9:00am-4:00pm

Six Sigma Ranch and Winery
13372 Spruce Grove Road
Lower Lake, CA 95457