They appear as low, horseshoe-shaped mounds, typically beside a water source, and are generally dated to the Bronze Age. The working theory is that they served as outdoor cooking sites, where stones were heated in fire and dropped into a water-filled trough to bring it to the boil, though some researchers have proposed other uses, from textile processing to brewing. The example at An Gabhlán Ard in County Kerry sits quietly within this broad and still-debated category.

What distinguishes this particular site, at least in the academic record, is its tentative status. It appears as a possible fulacht fia, catalogued as number 37 in a thesis by Clare McMorran submitted to University College Galway. The qualifier matters. Many candidate sites across Ireland share surface features with confirmed fulachtaí fia but lack the excavated evidence, particularly the burnt and shattered stone that gives these monuments their alternative name, burnt mound, that would settle the question. Whether the mound at An Gabhlán Ard has ever been tested more rigorously since McMorran's survey is not clear, which means it occupies that familiar grey zone in Irish archaeology, noted, recorded, and left open.