Harry Avery's Castle

Harry Avery's Castle is a rare example of a stone fortress constructed by a Gaelic Irish chieftain in the 14th century. Built circa 1320 by Henry Aimhriédh O'Neill, a prominent leader of the O'Neill clan in Ulster, the castle represented an unusual departure from traditional Irish building practices of the era, which typically relied on timber and earthwork constructions. The decision to constr...