These sites, found in their thousands across the country, are essentially the remnants of ancient outdoor cooking places. The typical arrangement involves a hearth, a timber-lined trough filled with water, and a mound of discarded burnt stone that accumulated as heated rocks were plunged into the trough to bring the water to a boil. The distinctive dark, crumbling mounds of shattered stone they leave behind are recognisable even after millennia of ploughing.

What makes the Curraclogh site quietly notable is not any single feature but its pairing with a second fulacht fia located approximately forty metres to the north-west. The proximity of two such sites suggests repeated or sustained activity in this part of the landscape, though whether the two were contemporary or separated by generations is difficult to say without excavation. Fulachtaí fia are generally associated with the Bronze Age, roughly 2000 to 500 BC, though some sites have produced dates outside that range. The burnt material noted at Curraclogh is the characteristic signature of the process, stones that were heated, used, cracked by thermal shock, and tossed aside, building up over time into the low spreads and mounds that survive today, even under the pressure of cultivation.