Ravenswood was founded in 1976 by Joel Peterson. The winery is a pioneer in producing single vineyard Zinfandels from some of Napa and Sonoma’s most treasured vineyards, including Dickerson, Old Hill, Cooke and Belloni. I used to regularly visited Ravenswood in the summer, when they released their single vineyard wines. Back in the day they also served delicious barbeque on the…