Dun Dealgan (Man-made underground passage)

The following description is derived from both the published 'Archaeological Inventory of County Louth' (Dublin: Stationery Office, 1986) and the 'Archaeological Survey of County Louth' (Dublin: Stationery Office, 1991). In certain instances the entries have been revised and updated in the light of recent research. Date of upload/revision: 17 July 2007 Located in slope on S side of 'Dun Dealgan' motte (LH007-118007-). The Man-made underground passage consists of three-drystone-built passages forming a Z-shaped plan. The first passage (L 3.9m) extends SW-NE, turning sharply NW to form Passage 2 (L 7.8m). At the NW end of Passage 2 there is a sharp turn into Passage 3 (L 5.8m) which runs S-N. (CLAJ 1912, 25-6).