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Trefethen Family Vineyards
1160 Oak Knoll Ave. Napa, CA 94558
Open Daily: 10:00 am - 4:30 pm


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From San Francisco / Oakland (via the Bay Bridge)
Take Highway 80 East toward Sacramento. Cross the Carquinez Bridge and take the Marine World Parkway/Highway 37 exit off Hwy 80. Turn right on Fairgrounds Drive and proceed two miles to the junction of Highway 29. Turn right (north) and travel approximately 17 miles on Hwy. 29 through the cities of Vallejo and Napa, until you reach the light at Oak Knoll Avenue. Turn right, and travel 0.2 miles to Trefethen, which will be on your left.

From Sacramento
Take Highway 80 west to the Napa/Sonoma exit (Hwy. 12). Follow the signs to Napa and turn right onto Highway 29. Follow the signs to Calistoga and continue north on Hwy. 29 through the town of Napa until you reach the light at Oak Knoll Avenue. Turn right, and travel 0.2 miles to Trefethen, which will be on your left.

From the Silverado Trail
Oak Knoll Avenue will be to the west, just south of Clos du Val Winery. Cross Big Ranch Road and Trefethen will be on your right.

From Calistoga or St. Helena
Head south on Highway 29 to the light at Oak Knoll Avenue. Turn left and drive 0.2 miles to Trefethen, which will be on your left.