From the outside it looks like little more than a slight rise in a field, the kind of irregularity a casual walker might attribute to natural variation in the ground. Beneath the grass, however, lies a dense accumulation of burnt and shattered stone, the characteristic debris of an activity that was carried out across Ireland from the Bronze Age onward, and probably well beyond.

A fulacht fia, sometimes called a burnt mound, is typically associated with an ancient cooking method in which stones were heated in a fire and then dropped into a water-filled trough to bring it to the boil. The process fractures the stones through thermal shock, and it is this cracked, fire-reddened material that builds up over repeated use into the horseshoe-shaped or spread mounds archaeologists now find scattered across the countryside in their thousands. The Skenakilla example, grass-covered and sitting quietly in pasture, is a typical specimen in terms of its form, though the roughly thirty-two-metre spread from north to south suggests a site of reasonable extent. Debate continues among archaeologists about whether these sites were used solely for cooking, or whether they served other purposes such as bathing, textile processing, or communal gathering, and no single explanation has achieved consensus.