The collapse, which happened at some point before local memory could pin it to a date, briefly exposed what had been hidden for centuries: a souterrain, the term used for the underground stone-built passages that Irish communities constructed during the early medieval period, most commonly between the seventh and twelfth centuries. These structures were typically associated with ringforts, the circular enclosed farmsteads that once dotted the Irish countryside in their tens of thousands, and were used variously for storage, refuge, or ventilation of perishable goods. The Bealad example sits within one such ringfort, and the ground collapse, accidental as it was, became the only reason anyone today knows it is there.

The souterrain itself has left no visible surface trace. Whatever the collapse revealed has since settled back into obscurity, and the site offers nothing to the eye of a casual passer-by. What remains is essentially a report passed through local knowledge, the kind of oral record that often preserves awareness of things that formal survey would otherwise miss entirely. The ringfort it belongs to is catalogued, and the souterrain with it, but the physical experience of the place is one of absence rather than presence. That is not unusual for souterrains; many survive only as anomalies in the soil, or as stories about a hole that opened up one winter and was quietly fenced off.