Man-made underground passage in Riverstown

In the S half of the interior of a rath (SL039-123001-). A flat slab (L 0.9m; Wth 0.65m) embedded in the ground may be a roof lintel of a Man-made underground passage. The above description is derived from the published 'Archaeological Inventory of County Sligo' compiled by Ursula Egan, Elizabeth Byrne, Mary Sleeman with Sheila Ronan and Connie Murphy (Dublin Stationery Office, 2005). Date of upload: 18 January 2008