Cardhu is a Speyside distillery near Archiestown, Moray, Scotland, founded by the whisky smuggler John Cumming, and his wife Helen Cumming in 1824. The distillery is run by Diageo and the distillery’s Scotch whisky makes up an important part of the Johnnie Walker blended whiskies. The word “Cardhu” derives from the Scots Gaelic Carn Dubh, meaning “Black Rock”.