This was listed as a "Napa Valley" wine tour. However, of the 3 places we went to, two of which were in Sonoma, down obscure dirt roads with wafts of manure coming from nearby pastures. The wineries were in obscure locations, with minimal attention to outdoor decor (many Napa wineries are stunning in their views, fountains, art, flowers, etc.). The wines were adequate at best, and we requested vegetarian lunches, but got none. The day before, we had to pay an extra $50 PER PERSON on top of the price, to "ensure the staff is adequate to serve us our tastings". This was unexpected, and didn't appear to be optional either.
We would've had a much better time simply driving around in an Uber to the good Napa wineries. The driver was fun, but that's about it.