It has no clear edges, no dramatic profile, and no marker to draw the eye. What gives it away, if anything does, is the soil: noticeably darker than the surrounding field, and scattered with fragments of limestone that livestock have gradually scraped to the surface.

This is a possible burnt mound, a category of prehistoric site found widely across Ireland and Britain. The basic idea behind them is practical to the point of being almost mundane: stones were heated in fire, dropped into water to bring it to a boil, and the spent, shattered fragments were discarded in a heap nearby. Over centuries, those heaps of cracked, fire-blackened stone accumulated into low mounds, often beside streams, springs, or boggy ground. The Creggawatta example sits on an east-facing slope that borders a natural depression fed by a spring, with the ground falling away roughly six metres towards a small pool. The setting fits the pattern almost exactly. When the site was inspected in 2000, the top of the rise measured around five metres in diameter, already worn down by grazing animals but still legible as something distinct from the ordinary lie of the land. Whether it was used for cooking, bathing, or some industrial process is a question burnt mounds across Ireland have never quite settled.