This Napa Valley Map Resource Guide has a list of the most popular and easy to use maps for Napa Valley wineries. The list below includes both online interactive and PDF downloadable map options.
One of the best maps I've seen for Napa Valley is the clickable map available on Napavalley.com. This map is a good overview map of Napa. It doesn't have all of the wineries in Napa Valley listed, but has a large number of the most notable wineries.
The great thing about this map is you can also click on each winery name to head to their website. This way you can quickly plan your trip, find out the tasting hours and each wineries exact location.
Here is a link to their clickable map: http://napavalley.com/maps/
Another great Napa Valley wineries map resource is the map available on the Napa Valley Vineyards site. This was created using Google Maps and gives the locations of many of the most well-known vineyards in Napa Valley.
The map also has the functionality for building a trip, so you can then see where the wineries are located that you would like to visit. Their map is located here: http://napavalleyvineyards.org/map/napa-valley/winery/
If you are more interested in a hard copy map of Napa Valley, then I'd recommend checking out the PDF map available from the Wine Country web site. Their map is quite a bit more detailed than either of the interactive maps.
It shows the different sub regions with in the Napa Valley. In addition, this Napa Valley map shows more wineries than the interactive maps.
Here is where you can go to download the map (it will automatically start downloading when you click this link): http://www.napavalley.winecountry.com/visitorsinfo/Winery_Map.pdf
Wine Country Getaways also has a printable PDF Napa Valley map. This map has quite a bit of detail and includes a number of the wineries in Napa Valley.
On this page, you can also download a copy of a map for Carneros, which is a much smaller wine region near Napa. This page on their site has links to both of these maps: http://www.winecountrygetaways.com/napa_map.html
If you decide that it's too overwhelming to plan your own trip, there are a few different options for you. You can pay a little more money and book a trip through one of the tour companies in the area. Here are some Napa Valley wine tasting guided tour recommendations that I pulled together to help you get started.
The other option is to visit my favorite wineries in Napa Valley page. This gives you a list of some top wineries in the region, their location and what you can expect when you visit each one.
If you are going on your own, I always recommend that you pick just one or two wineries each day to get you started. I then think it is fun to stop by other wineries that look interesting along the way. My recommendations page is a a great place to start.
I also recommend asking around while you taste to see what other wine tasters and the people working at the wineries suggest. This is how I like to do my tastings and it's always fun to find some new places to visit.
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