| Trefethen Family Vineyards | |
|---|---|
 | |
| Location | Napa, California, USA |
| Appellation | Oak Knoll District of Napa Valley AVA |
| Formerly | Eshcol |
| Founded | 1968 |
| First vintage | 1973 |
| Key people | John, Janet, Lorenzo & Hailey Trefethen Jon Ruel, President Bryan Kays, Winemaker David Whitehouse, Winemaster |
| Known for | Estate grown Cabernet Sauvignon |
| Varietals | Cabernet Sauvignon, Chardonnay, Merlot, Riesling, Pinot Noir, Cabernet Franc, Malbec, Sauvignon Blanc, Red Blend, Petit Verdot |
| Other products | Olive Oil, Fig Jam, Orange Marmalade |
| Distribution | national, restaurants |
| Tasting | open to public |
Eshcol Winery | |
   | |
| Location | 1160 Oak Knoll Ave., Napa, California |
| Coordinates | 38°21′38″N 122°19′53″W / 38.36056°N 122.33139°W |
| Area | less than one acre |
| Built | 1886 |
| Built by | Hamden W. McIntyre |
| NRHP reference No. | 87001155[1] |
| Added to NRHP | July 16, 1987 |
| Website | http://www.trefethen.com |
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Trefethen Family Vineyards is a winery in Napa Valley. It was established in 1968.