Some travelers recommended Del Dotto for its historic cave tour and Quintessa for a quintessential tour, despite its high price. Both offer unique experiences that go beyond standard wine tasting.

For Pinot Noir enthusiasts, forum users suggested visiting Hyde Vineyards and Hudson Ranch in Carneros, known for their Pinot Noir offerings. These wineries provide a focused experience on this particular varietal.

According to posts, Caldwell and Bouchaine offer more intimate settings with specialized tastings, such as charcuterie pairings in cave settings, ideal for those seeking a personalized experience away from larger commercial operations.

William Hill was noted for its beautiful views and high-end wines, making it a must-visit for those who appreciate scenic vineyard landscapes alongside their wine tasting sessions.

According to forum posts, travelers can use Amtrak from San Jose to Martinez, then transfer to an Amtrak Bus to reach Napa. Additionally, Evans Transportation and other private shuttle services offer runs from various airports to Napa.

Some travelers mentioned the availability of private car services like Ambassador Limo Service and Beau Wine Tours, which offer more personalized transport options from airports like Sacramento to Napa Valley.

For many users, using ride-sharing services such as Uber or Lyft is suggested, though it can be expensive with average trip prices from San Francisco International Airport to Napa ranging from $111 to $136. However, the availability and reliability of these services can decrease in more remote areas of Napa Valley.

Many travelers recommend renting a car for flexibility and ease of travel within Napa Valley, especially if planning to visit multiple locations or vineyards.

According to forum posts, some travelers prefer Sonoma due to its historical and cultural attributes, which include a more authentic, farm-to-table vibe compared to Napa. Sonoma's town square is highlighted for its walkability and proximity to restaurants and wineries.

Travelers have pointed out that accommodations in Sonoma might offer more budget-friendly options compared to Napa. For instance, posts mentioned places like the Sonoma Mission Inn and the Lodge at Sonoma, with a preference for their ambiance and amenities.

For wine enthusiasts, Napa is often preferred for its upscale wineries and dining experiences, as noted by several users. Napa Valley is described as scenic with diverse winery styles, from glamorous to agricultural, providing a rich wine-tasting experience.

Some users expressed that while both locations are commendable, Sonoma provides a slightly more laid-back experience, which could be less crowded, thus enhancing the personal enjoyment of the visit. However, if looking for a more high-end experience, Napa might be the right choice.