Harp Lager is one of the four beers in the Guinness family, the others being Guinness, Smithwicks and Kilkenney. Harp was first brewed in 1960 at the Great Northern Brewery in Dundalk, Ireland. The Harp sold in the United States is brewed at the Labatt's Brewery in Canada.
Harp is described as a classic Irish Pale lager. It is golden in color and measures 5% alcohol by volume. A pint contains 152 calories. It is a mainstay at pubs in the US but not widely available in other establishments.