Art is science at Six Sigma Ranch, Vineyards & Winery in Lower Lake, Calif. As a management strategy, Six Sigma seeks to remove errors in manufacturing in order to consistently create a high-quality ...

At the mountaintop of the 4,300-acre Six Sigma Ranch and Winery in Lower Lake, the ground is littered with “Lake County diamonds,” small chunks of quartz that glitter against the red volcanic soil, ...

How do you make a good traveler even better? That's the question Kaj Ahlmann, owner of the Six Sigma Ranch in Northern California's Lake County, has contemplated most of his career. With a name like ...

The original “home of mountain biking” is once again the home of champions, after Marin County riders dominated the NorCal Interscholastic Cycling League championships on Sunday at Six Sigma Ranch in ...