The souterrain, as these dry-stone underground chambers or tunnels are known, was a feature of early medieval Irish farmsteads, used variously for storage, refuge, or both. Its presence here, tucked inside a ringfort that still carries a metre and a half of earthen bank around its circumference, hints at a settlement that was both permanent and carefully planned.

The ringfort itself is a fine example of the form. Roughly circular, measuring sixty-five metres north to south and sixty-six metres east to west, it is enclosed by an earthen bank that retains traces of stone facing in places, suggesting it was once a more substantial construction than the eroded profile visible today. Outside the bank runs a fosse, a defensive ditch, still readable at around eighty centimetres deep. The original entrance, two metres wide and positioned to the north-east, survives with its causeway crossing the fosse intact. A later, modern gap of similar width was cut into the eastern side of the bank at some point, presumably for agricultural access. Ringforts of this type, known in Irish as raths, were the most common settlement form in early medieval Ireland, typically the enclosed farmsteads of farming families between roughly the fifth and twelfth centuries. Hundreds survive across County Cork alone, though the combination of a well-preserved causewayed entrance, partial stone facing, and a souterrain in a single site gives this one a particular layering of detail.