It measures roughly 6.8 metres in both length and width, and rises only half a metre from the ground. To a passing eye it might be nothing more than a slight rise in an unremarkable field. To an archaeologist, the blackened, fire-cracked stone packed inside it tells a different story.

This is a fulacht fia, a type of prehistoric cooking or processing site found in extraordinary numbers across Ireland, with Cork alone accounting for a significant proportion of the island's total. The name, loosely translated from Irish, is traditionally associated with the idea of a wild deer's cooking place, though the term is a later medieval one applied retrospectively to these Bronze Age features. The typical arrangement involves a horseshoe-shaped mound of shattered stone accumulated beside a trough dug near a water source. Stones were heated in fire, then dropped into the water-filled trough to bring it to a boil, and the spent, cracked material was piled to the side over successive uses. The result, across millennia, is exactly the kind of low, burnt mound that sits at Curraghnalaght: modest in height, square-ish in plan, heavily overgrown, and positioned close to running water. What the site was used for specifically, whether cooking, textile processing, bathing, or something else entirely, remains a matter of ongoing debate among archaeologists.