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Zialena Winery

21112 River Road
Geyserville, CA 95441
Zialena - bit of everything
Tasting Bar at Zialena Winery
Winery tanks
1 of 3
Taste estate-grown Zinfandels and Cabernets among the vineyards that produce the fruit at Zialena, the newest winery in Sonoma County’s Alexander Valley wine region.

Located on a 120-acre estate in Geyserville, Zialena includes a 7,000-square-foot winery with production capacity for 20,000 cases and a 2,000-square-foot hospitality center. The tasting room offers guests two flights of four wines each, and is open 10 a.m. to 4:30 p.m. daily; tours of the state-of-the-art winemaking facility are available by appointment.

The new winery’s roots in Geyserville date back to the early 1900s, when Giuseppe Mazzoni immigrated to the area from Italy. He became a grape farmer and winemaker; his two sons produced wine in a barn on Highway 101 for much of the middle of 20th century; and one of his grandsons continues growing grapes as Mazzoni Vineyards.

Now two of his great-grandchildren have teamed up to create Zialena Wines, with Mark Mazzoni as winemaker and his sister Lisa Mazzoni focusing on the winery’s guests and their experiences with its wines. Zialena offers a variety of wines, but showcases its estate-grown Zinfandel and Cabernet Sauvignon.
Amenities
AVAs Where Wines Are From:
Alexander Valley
Prominent Wines Produced:
Cabernet Sauvignon
Chardonnay
Rosé
Sauvignon Blanc / Fume Blanc
Zinfandel
Tasting Room Info:
Days / Hours Tasting Room is Open: Daily 10 a.m. to 4:30 p.m.
Pet Friendly
Picnic Area
Tasting Fee Description: 1897 Tasting: An introduction to Zialena, 4 wines, including 1 white and 3 reds. $15 tasting fee.
Relax at our tasting bar, and educate yourself on Zialena’s rich and storied history and heritage. Come to know us by tasting the backbone of our wine portfolio.

1931 Tasting: Digging deeper into Zialena. 4 wines, 1 white 3 reds. $25 tasting fee.
Come sit on our veranda and experience some of our most prized wines. This tasting includes some of our reserve and premium barrel selection lots, and showcases some of the best fruit on our estate.
Tours and Visitor Experiences:
Educational Tastings
Tours/Hikes Description and Times: Winery Tour & Tasting: 6 wines, 1 white, 5 reds. $50 tasting fee.
Come learn about us inside and out! Taste the broad depth of our wines while one of our wine educators guides you on a tour of our state of the art winemaking facility featuring Alexander Valley's first open top concrete tank fermentation room. You’ll also experience our barrel room and winemaker’s lab. Want to see, feel, smell, and taste what we do? Well then engage yourself in the process of making wine from harvest to bottle. An experience for anyone wanting to learn more about the world of winemaking. This tasting truly highlights the full process, philosophy, heritage, and ideals that make our wine what it is. Often our hands-on winemaking team will be around working with the wine so come ready with questions!

Grape to Glass Tour & Tasting: 8 wines, 2 whites 6 reds. $75 tasting fee.
Learn about Zialena from the ground up, literally! We’ll explore select blocks of our 120 acre estate that surround the winery, where you'll taste wines alongside the very grapevines where they originated. Follow the vineyard path into our world class winemaking facility featuring Alexander Valley’s first open top concrete fermentation tanks. Learn the key hallmarks of winemaker Mark Mazzoni’s style and further your appreciation of the wines you taste. Get to know the wines by seeing and tasting it all. Designed for the true lover of wine that wants to be part of our family.
Vineyard Tours
Winery Tours
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