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Kaj and Else Ahlmann
13372 Spruce Grove Rd.
From the city of Napa drive north on CA-29 for approximately 49 miles. Turn right on Spruce Grove Rd and follow for 5.5 miles. Turn right onto Six Sigma Ranch and follow the driveway for 2 miles before reaching the tasting room on the left.
Open daily 11:00am to 4:30pm
Primary Ag Business
Primary Ag Business--Other
Farm or ranch acreage
We are located 2.5 hours north of San Francisco in beautiful Lake County. Come taste our wines while relaxing under majestic oak trees at our historic tasting room. Feeling adventuresome? Schedule a special ranch/vineyard tour in our all-terrain Pinzgauer vehicle, take a hike, bird watch, or simply enjoy a picnic under the oaks.
We sell wine, beef, pork and lamb.
Private Barrel Tastings
Direct Agricultural Sales