Man-made underground passage in Ballinderry (carrick Par.)

On a gentle W-facing slope in meadow. The Man-made underground passage is now filled with clay. A small mound of clay marks the location. The monument was discovered in 1993 by the landowner during excavations for a water pipe. The capstone was c. 0.3m below the field surface. According to Holland's report (Tipp. SR County Museum, 18th June 1993) 'the site consists of a two chamber Man-made underground passage, built of well placed limestone drystone walling. The one chamber open today was a roughly rectangular shape (with rounded corners). The capstones were missing. The interior was filled with water but the height to the capstones would appear to be (estimated) c. 3m. In the eastern end wall is a small, low, creep which ...leads via a short passage, angled right (and southwards) to a second corbelled chamber. This is inaccessible at present. [The landowner] further informs me that there is a blocked creep in this second chamber (again to the south). This could be a third chamber or passage. There are no traces of any earthwork around the Man-made underground passage'. Compiled by: Jean Farrelly Date of upload: 26 August 2011