Man-made underground passage in Ballycolla

Situated in gently undulating countryside. Not marked on the 8141 or 1909 editions of the OS 6-inch maps. A slight depression, in SE quadrant of ringfort (LA029-0180010, may indicate the line of a Man-made underground passage. The above description is derived from the published 'Archaeological Inventory of County Laois' (Dublin Stationery Office, 1995) compiled by P. David Sweetman, Olive Alcock and Bernie Moran. In certain instances the entries have been revised and updated in the light of recent research. Date of upload: 17 December 2007