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Six Sigma Ranch and Winery

Name: Six Sigma Ranch and Winery
Address: 13372 Spruce Grove Road, Lower Lake, CA, 95457, US
Telephone: +1 707-994-4068
Price range: $

Lower Lake, CA · Winery · $

We have one simple goal in mind for producing our wines: To share the story of the season, the place, and the people who made them. Our story is in every single bottle of Six Sigma wine. We take a natural approach to winemaking as well as farming. Working with Six Sigma methods allows us to take a hands-off philosophy, as we only manage the parameters that are critical to the quality of our wines.

Our tasting room is open daily from 11am - 4:30pm for wine tasting. We have a selection of...

Curious about our Library Wines? Reserve seats at our March 25th Reserve Tasting while you still can!

Learn more

- Reservation
  Current Release Wine Tasting
  Join us for a tasting of our current releases! The tasting fee is $15 and waved with bottle purchase.
  Reservation for parties of 1 to 16
  Book now
- Reservation
  Elevated Tasting
  Join us for a tasting of our off-menu wines, including Sparkling Rose and Grand Reserve Tempranillo! The tasting fee is $15/member or $25/non-member
  Reservation for parties of 1 to 8
  Book now
- Reservation
  Pinzgauer Tour of Diamond Mine Vineyard
  Take a ride in our Pinzgauer and learn about the history of Six Sigma Ranch. This tour lasts about 80 minutes, followed by a wine tasting of our current release wines. Tours are available most...
  Reservation for parties of 1 to 4
  Book now
- Reservation
  Christmas at the Ranch & Syrah Release
  Enjoy a new release wine flight with complimentary food pairing. $20/members or $35/non-member
  Reservation for parties of 1 to 8
  Book now
- Event
  Guided Hike
  Join us on a hike of our trails! Meet Rachel at the tasting room at 9am and expect rolling hills as we hike 4 miles in 2 hours.
  Saturday, Dec 2, 2023
  9:00 AM - 11:00 AM
  Book now
- Event
  December Paella Night
  Join us for a casual Paella dinner! We host Paella night every first Wednesday of the month and feature rotating local Chefs! This month will feature Chef Carlos from Old Mill in Lower Lake. Dinner...
  Wednesday, Dec 6, 2023
  5:00 PM - 7:00 PM
  Book now
- Event
  "No Drop" Guided Mountain Bike Ride
  Bring your bike and ride our trails! Konocti Bicycles will host a "no drop" ride Saturday, October 21st, at 9:00am. Meet at the tasting room and prepare to meet other riders for camaraderie and...
  Saturday, Dec 16, 2023
  9:00 AM - 11:00 AM
  Book now