Six Sigma Ranch is a 4,300-acre family-owned winery in Lake County, California, established in 2005. The property has a long history dating to the mid-1800s and is known for producing Tempranillo and other estate-grown wines from high-elevation volcanic soil vineyards.
Family-owned Lake County estate emphasizing high-elevation volcanic terroir with a distinctive focus on Tempranillo alongside traditional Bordeaux and Rhône varietals. Named reserve bottlings suggest family-oriented approach with premium positioning in the $50+ range for top wines.
~$20 tasting fee(verify — fees vary)
The Stage Coach Stop Tasting Room
13372 Spruce Grove Road
Lower Lake, CA 95457
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Diamond Mine Vineyard
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