Inverleven (a.k.a. Dumbarton) is a Lowland distillery that was founded in 1938 by Hiram Walker & Sons. Dumbarton grain distillery and Inverleven malt distillery were brought to life simultaneously in 1938, with the latter housed inside Dumbarton's walls. In 1956 a third Lomond still was added to the still house. Lomond was mothballed in 1985 before Inverleven followed suit in 1991. The Dumbarton site was demolished in 2002.