Sonoma is the other famous wine county in the California North Bay next to Napa. You can spend a day in Sonoma and enjoy few wineries.
I started with Bella. You enter the barrel cave under the vineyards and you get to see the cave and taste some wine. For lunch, we headed to Chateau St Jean where you can have an amazing and affordable lunch with wine pairing in front of their vineyards. The scenery is breathtaking. Their charcuterie, cheese, and wine pairing were perfect. You can then walk around the castle, no tour needed. We then went to the must go Winery in Sonoma, Benziger where we took the Biodynamic Vineyard Tram Tour that took us around the Biodynamic vineyard, did a lot of wine tasting and got to visit the amazing barrel cave. One of the best tours.
Winery tours are all about taking time and enjoy the wine so I don’t recommend going to more than 2 or 3 wineries a day. See below some other great wineries suggestion