They appear as low, horseshoe-shaped mounds, typically found near water, and are generally dated to the Bronze Age, roughly 1500 to 500 BC. The accepted theory holds that they functioned as outdoor cooking sites: a trough dug into the ground was lined and filled with water, stones were heated in a fire and dropped in to bring the water to a boil, and meat was cooked in the resulting hot water. The burnt and shattered stones, discarded repeatedly over time, built up into the distinctive mounds that survive today. The site recorded at Baile An Tsagairt in County Kerry is one such monument, quietly occupying its place in a landscape that has accumulated human activity across millennia.

Baile An Tsagairt, whose name translates roughly from Irish as "the townland of the priest", sits in a county with an exceptionally dense concentration of prehistoric remains. Kerry's combination of upland terrain, boggy ground, and relatively low levels of intensive modern agriculture has meant that monuments which might elsewhere have been ploughed away or built over have instead survived, often remarkably intact beneath layers of peat. Fulachtaí fia in particular tend to be preserved in this way, their mounds sealed and protected by the very wetness of the ground that made the sites attractive to Bronze Age communities in the first place. Without more detailed excavation records available for this specific site, its precise dimensions, condition, and any associated finds remain undocumented in the public domain.