Trefethen Family Vineyards

2023 Riesling
Oak Knoll District of Napa Valley

2024 Offering
Premiere Napa Valley
Auction 28 | Lot No. 159
Vintage: 2023

Trefethen Family Vineyards

Oak Knoll District of Napa Valley

5 cases produced


  • This Premiere Riesling is offered exclusively in magnums
  • Showcases the Trefethen family's five-decade commitment to Riesling
  • Certified sustainable from a single vineyard
  • We have continued to make Riesling from our estate every year since 1974


At Trefethen Family Vineyards, Riesling has been an important part of our vineyard since our founding in 1968. Of the many varieties that the Trefethen family has planted across our estate, Riesling was among the first. At the time, there were over 1,000 acres planted to Riesling in the Napa Valley. Today, there are fewer than 100. As a nod to Napa's history (and because we love making it and drinking it), we have continued to make Dry Riesling from our estate every year since 1974. Riesling is a variety that transmits terroir and vintage very clearly. As such, we keep it as transparent as possible, accentuating the bright and crisp character of our estate in the Oak Knoll District. As our 50th vintage of Riesling, this unique bottling hails exclusively from our block planted in 2008 and was made in our characteristic dry style. Brimming with vibrant aromas of lime zest and layered notes of jasmine, mouthwatering acidity and flavors of orange blossom and chalk, this wine exhibits a balanced and lengthy finish on the palate. Sure to be a favorite, one magnum just won’t be enough.

Wine Facts

  • Single vineyard wine
  • Sustainably produced
  • Wine is 100% estate grown and bottled
  • Wine is produced in a Napa Green winery

Bryan Kays

Winemaker, Trefethen Family Vineyards

Winemaker, Bryan Kays

Bryan obtained an undergraduate degree in English Literature from Cal Poly, San Luis Obispo. Like any good English major, Bryan found refuge in wine, and quickly developed a healthy interest in the subject.

Bryan began his wine career as a field worker/cellar rat in the Sierra Foothills. After a couple of vintages and thousands of questions to the winemaker, Bryan returned to UC Davis to earn a degree in Viticulture and Enology.

Bryan joined Trefethen in 2006 as a Viticulture intern. Fascinated with estate grown wines and the opportunity to work with some of the valley’s long-term residents, Bryan worked his way into the cellar then to Associate Winemaker. In 2015, he was promoted to Winemaker.

Bryan’s goal is to create wines that are balanced and true to type. The winemaker’s two most critical decisions for any given wine are harvest date and press date. When those two decisions are perfectly timed, the winemaker’s job is then to simply let each wine develop its own flavors
and nuances, and keep his/her hands out of it. Winemaking is as much about action as it is about restraint.

Country born: USA

Years in the wine industry: 20-30 years

Winemaking Philosophy:

Winery Distribution

Trefethen Family Vineyards is distributed in the following markets. Please contact the winery directly for the most up-to-date distribution information and to explore commercial opportunities.

Trefethen Family Vineyards Contact: Tiffany Kenny


  • California ( Breakthru Beverage )


  • Barbados ( Platinum Wines )
  • Belgium ( Vinum Ganda )
  • Canada - Alberta ( Spark )
  • Canada - British Columbia ( Vintage Corks )
  • Canada - Ontario ( Vinexx )
  • Canada - Quebec ( Amphora )
  • China ( Dongguan Shangya Trading Co. )
  • Hong Kong ( Watson's Wine )
  • Japan ( Hotei Wines )
  • Mexico ( Vinosapiens )
  • Philippines ( PYC Foods )
  • Scotland ( Daniel Lambert Wines )
  • South Korea ( Shingong Wine Co. )
  • Taiwan ( 99 Bottles )
  • United Kingdom ( Daniel Lambert Wines )
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