We invite you to visit our tasting room on the edge of the Dunnigan Hills AVA. Surrounded by picturesque vineyards, our tasting room offers the perfect setting to unwind and explore our estate-grown, small-lot wines. Enjoy a guided tasting of our latest releases, sip on award-winning varietals, and learn about our sustainability practices from our knowledgeable team.

Whether you're a longtime wine lover or just beginning your journey, we invite you to relax, savor, and make lasting memories with us.

Plan your visit and discover Grindstone—where every glass tells a story. Cheers!

our hours

We’re open every Friday, Saturday & Sunday from 11-to 4 pm for wine flights, mimosa flights, and enjoying bottles. Spend and afternoon in the Dunnigan Hills AVA, enjoying the vast views and sipping on award-winning estate wines. Wine club members can call ahead to reserve the couches on our covered porch (seating for up to 8)!

WIne & mimosa flights

Enjoy a flight of 4 wines for $15. Wine flight fees are waived by purchasing two or more bottles (per person) or complementary for club members.

Our Mimosa Flights include four mimosa tastes, each made with our Sparkling Viognier for $20. Mimosa flight fees are not waived.

food at the tasting room

We offer charcuterie boards at the tasting room and various crackers and cookies. All food items are subject to availability. Outside food is welcome. Outside alcohol is prohibited.

*We are a dog-friendly winery, and we kindly request that your dog remain on a leash during your visit.

Guests of all ages are welcome. We ask that all
children stay at their table throughout the visit to preserve the experience of other guests. 

Before you visit we want you to know…

  • Family Friendly

    Our tasing room is family friendly. When on the patio we ask that all children are under adult supervision at all times. Children can also roam in our park area with adults present.

  • outside food

    We offer charcuterie boards at the tasting room and various crackers and cookies. All food items are subject to availability.

    Outside food is welcome. Outside alcohol is prohibited.

  • Large groups

    Please call ahead for groups of 8 or more or to schedule a group tasting, We want to best accommodate your group. Call (530) 393.2162 or email info@grindstonewines.com

  • Dog friendly

    We love furry friends. We just ask that they are on leash while visiting the tasting room. Make sure you ask for a dog treat when you visit!