It measures roughly four metres north to south and just under six metres east to west, rising only about seventy centimetres above the surrounding ground. To a passing eye it might look like little more than a slight rise in the land, but it is the remains of a fulacht fia, one of the most common prehistoric monument types in Ireland and one of the least understood.

A fulacht fia is, broadly speaking, the debris left by an ancient cooking or hot-water site. The typical arrangement involved a timber-lined trough filled with water, heated by dropping fire-heated stones into it. Those stones, once cracked and spent, were discarded to the side, gradually accumulating into the horseshoe-shaped or oval mounds that survive today. They are found in their thousands across Ireland, most dating to the Bronze Age, though some span a wider period. What makes the Liscongill example quietly interesting is not its size, which is modest, but its company. A second fulacht fia lies approximately 140 metres to the north-east, suggesting that this particular stretch of land saw repeated or prolonged use over time. Whether the two sites were contemporary or represent activity separated by generations is not something the surface evidence can answer, but their proximity to one another is the kind of detail that rewards a closer look at an otherwise unremarkable corner of a Cork field.