Man-made underground passage in Craggagh

Ten metres of shadow lie hidden beneath the southern edge of Craggagh fort, marked only by a shallow hollow and an arcing bank of stone. The passage stretches east to west through the clay, deep enough to swallow a standing person but wide enough for two to walk shoulder to shoulder. It may have served as a cellar, a refuge or a forgotten route through the cashel, yet no door or stair remains to explain its purpose. The earth has taken back most of the work, leaving behind a quiet line in the ground where human hands once cut through solid ground.