St Austell Brewery'
63 Trevarthian Rd.
Based in st austell. they have a museum and shop, (http://www.staustellbrewe...) for details
Cornwall has three main breweries which are available to drink in most pubs in Cornwall:
Skinners
Based in truro. tours of the brewery are available (http://www.skinnersbrewer...) for details.
Cornwall is also well known for its production of mead wine Honey Wine.Because of its climate Cornwall also has a number of vineyards, and produces decent wine not to be sniffed at.