This is a fulacht fia, a type of prehistoric cooking site found in considerable numbers across Ireland, typically Bronze Age in date. The basic technology was simple but effective: stones were heated in a fire and then dropped into a water-filled trough, bringing the water to a boil without any direct contact with flame. The broken and fire-cracked stones, discarded after use, accumulated over time into the distinctive horseshoe or kidney-shaped mounds that survive in the landscape today.

What makes this particular example quietly compelling is the precision of its relationship with the natural environment. The spring that feeds it rises from the base of a low vertical face of limestone outcrop just seven metres to the north-east, and the water flows south-south-west directly past the eastern edge of the mound. The central depression in the mound, measuring roughly two metres east to west and one and a half metres north to south, opens towards that stream, marking the likely position of the trough itself. The mound measures approximately ten metres in diameter and rises to around 0.8 metres at its southern end, composed of densely packed small and medium-sized limestone fragments in a matrix of black, charcoal-rich soil. Expanses of natural flat limestone pavement lie adjacent to the mound at the south and north-west, suggesting the site was chosen partly because the terrain already offered a stable, workable surface beside a reliable water source.