It is in fact a fulacht fia, a type of prehistoric cooking site found in considerable numbers across Ireland, typically dating from the Bronze Age. The mound is formed from accumulated burnt and fire-cracked stone, the debris left behind after repeated cycles of heating stones in a fire and dropping them into a water-filled trough to bring it to the boil. Over time, the discarded stone builds up into the characteristic crescent or horseshoe shape that makes these sites recognisable in the field.

This particular example is substantial by any measure: roughly 15 metres east to west, 13 metres north to south, and standing nearly two metres high, which suggests prolonged or repeated use over time. Its opening, around six metres wide, faces westward towards a wet area, a detail that is far from incidental. Fulachtaí fia are almost always found close to a water source, whether a stream, spring, or boggy ground, since a ready supply of water was essential to how they functioned. Here, the site sits on an east-facing slope overlooking the valley of the Awnaskirtaun River, with the twin rounded summits of the Paps of Dana rising above. The Paps, long associated in Irish mythology with the goddess Danu or Anu, form a distinctive landmark across much of south Kerry and north Cork, and the placement of a prehistoric activity site on their lower slopes adds a layer of context to a landscape already dense with early remains.