There is nothing to see, no depression in the earth, no tell-tale hollow, no arrangement of stones to suggest that anything unusual lies below.

Souterrains are underground stone-lined passages or chambers, typically associated with Early Medieval ringforts across Ireland. They were most likely used for storage, refuge, or both, taking advantage of the stable cool temperatures below ground. The ringfort at Carrigleagh, recorded separately in the Cork archaeological inventory, would once have been a farmstead enclosed by an earthen bank and ditch, a form of settlement common in Ireland between roughly the sixth and tenth centuries. That such a site contained a souterrain is entirely plausible, even expected. What is notable here is simply the absence of any surface evidence whatsoever. The souterrain's existence is known from the archaeological record, but the ground above gives nothing away.