They appear as low, horseshoe-shaped mounds, typically dark with charred and fire-cracked stone, and they cluster near water. One such monument sits at Levallinree in County Mayo, a quiet mark on the landscape that most people would walk past without a second glance.

A fulacht fia, for those unfamiliar with the term, is thought to be a Bronze Age cooking site, though the interpretation has never been entirely settled. The standard theory holds that stones were heated in a fire and then dropped into a water-filled trough to bring it to the boil, allowing meat to be cooked. Experiments have shown the method works efficiently. Others have proposed the troughs were used for brewing, textile processing, or bathing. The characteristic mound of shattered, heat-stressed stone that accumulates around the trough is what survives most visibly today, sometimes reaching a considerable size after repeated use over generations. Ireland has several thousand recorded examples, making them one of the defining features of Bronze Age activity in the landscape, yet individual sites rarely attract much attention. The example at Levallinree is one of many Mayo monuments that quietly hold their place in fields and margins, marking a human presence that goes back roughly three to four thousand years.