Slate Theory Winery

About Slate Theory Winery

Title

Slate Theory Winery stands apart in the Texas wine landscape with a commitment to 100% Texas-grown fruit and a mission that goes beyond the glass. This isn't just a winery—it's a community gathering place that combines exceptional wines with a dedication to mental health advocacy.

As a proud NAMI (National Alliance on Mental Illness) partner, Slate Theory demonstrates that great wine can come with a greater purpose. The winery creates a welcoming environment where guests can enjoy award-winning Texas wines while supporting a cause that matters. For visitors exploring Fredericksburg Wineries & Tasting Rooms, Slate Theory offers an experience that combines exceptional wines with meaningful community impact.

Located on the Highway 290 Wine Trail, Slate Theory offers a thoughtful tasting experience that celebrates both the terroir of Texas and the importance of community connection. It's wine with meaning.

Visit Information

Address: 10915 US-290, Fredericksburg, TX 78624

Phone: (830) 998-8306

Website: slatetheory.com

Reservations: Recommended

Sunday - Thursday: 12:00 PM - 5:00 PM

Friday - Saturday: 11:00 AM - 6:00 PM

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Book a Tasting →

What to Know Before You Go

100% Texas fruit in all wines

NAMI partner ⁠⁠⁠⁠⁠⁠⁠supporting mental health advocacy

Award-winning wines ⁠⁠⁠⁠⁠⁠⁠with community impact

Highway 290 location ⁠⁠⁠⁠⁠⁠⁠on the wine trail

Extended weekend hours (11 AM - 6 PM Friday-Saturday)

Complete Your Hill Country Experience

After visiting Slate Theory Winery, continue your Highway 290 adventure with a stop at Hill Country Chocolate in downtown Fredericksburg for artisan truffles and handcrafted chocolate bars.

Book Your Chocolate Tasting →