These horseshoe-shaped mounds of burnt and shattered stone, typically found beside streams or marshy ground, date mostly to the Bronze Age, somewhere between 1500 and 500 BC. The working theory, broadly accepted though not without debate, is that they were cooking sites: stones were heated in a fire, then dropped into a water-filled trough to bring it rapidly to the boil. Meat could then be wrapped and immersed. Experiments have shown the method works efficiently, which has done little to settle the question of whether these sites were purely domestic, ceremonial, or something else entirely. The example at Clooney, in County Clare, is one such site, quietly catalogued and awaiting closer attention.

Clare has a dense distribution of Bronze Age activity, and the landscape around Clooney sits within a county where fulachtaí fia appear with some regularity, often turning up during drainage works or field levelling when the characteristic dark, charcoal-flecked soil and heat-cracked stone become visible just below the surface. The mounded form that survives above ground is essentially the accumulated spoil of repeated use, a slow build-up of discarded burnt stone over what may have been decades or even generations of activity at a single spot. Without excavation, it is difficult to say more about any individual site, and the Clooney monument, like many of its kind, has yet to yield the kind of detailed record that a dig would provide.