Due to its southern location, Los Carneros is Napa and Sonoma County’s coolest appellation with summer temperatures normally below 80 degrees. Similar to the cool climate Mount Veeder region immediately to the north, it is one of the few Napa appellations that excels with both red and white grapes. A significant portion of Los Carneros grapes are used by non-resident wineries such as Arietta, Kongsgaard, Kistler, Ramey, Patz & Hall and Paul Hobbs to produce some of the best wines made in the U.S. Scroll down to find Carneros’ best wineries. The “Highest Visitor Ratings” section lists Carneros wineries that have received visitors’ highest ratings for service, views, and wine quality. The “Highest Wine Critic Ratings” section lists the producers of Carneros’ best wines based on awards won at international wine competitions and ratings from publications such as Wine Spectator, Wine Enthusiast, and The Wine Advocate. The “All Los Carneros Wineries” section contains a comprehensive, and continuously updated, list of Carneros wineries. Click “map view” to access the advanced winery search to find wineries that provide vineyard lodging, have food available to complement their wines, host vineyard weddings, or produce wines from organic grapes. We make it easy to find the best wine tour and tasting destinations in Carneros wine country.