Calling all wine lovers this semi private small group day trip from san francisco to napa and sonoma takes you to some of californias most renowned wineries visit up to 6 boutique wineries and learn about the differences between varietals from your knowledgeable guide and local wine industry experts youll travel through northern californias picturesque appellations like stags leap rutherford st helena and glen ellen as well as enjoy a complimentary picnic lunchat one of the wineries