Napa Valley is arguably California’s best known wine region and will be forever associated with the 1976 Judgement of Paris blind tasting that saw some of the world’s top palates, including Decanter’s Steven Spurrier , rate Napa Cabernet Sauvignon from Stag’s Leap Wine Cellars ahead of classified Bordeaux.

In the subsequent 40 years, Napa Valley has gone from having a few dozen wineries to several hundred – reaching the point where limits on new winery permits are a hot topic of conversation in the area. Trade body Napa Valley Vintners has 500 members, but was formed by just seven vintners in 1944.

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Napa Valley map
Harvest in Napa Valley

Take the Napa Valley quiz: Find out more about the Napa Valley and all the answers to the quiz in our Napa Valley section. Updated November 2017  

Top five Opus One wines

The joint venture of Robert Mondavi and Baron Philippe de Rothschild, Opus One wines are coveted the world over for their quality and style. William Kelley gives us his top…

Coombsville, Napa Valley

Cathy Huyghe visits Coombsville, in the south east of Napa Valley, established as an AVA in 13 January 2012, where the climate is ideal for Bordeaux varieties.

Napa Valley wine train

Staff ordered 11 women off the Napa Valley wine train and handed them to police, because they were ‘laughing too loud’, according to passenger accounts reported to local media in…

See Decanter experts' rating, tasting notes and drinking window for William Hill 2011.