They typically appear as low, horseshoe-shaped mounds of burnt and fire-cracked stone, usually found near a water source, and dating most commonly to the Bronze Age. The name, loosely translated from Irish, is sometimes rendered as "cooking place of the deer", though what exactly went on at these sites has been debated for decades. The leading theory holds that stones were heated in a fire and then dropped into a water-filled trough to bring the water to a boil, making them a kind of outdoor cooking facility. Other researchers have proposed uses ranging from textile processing to bathing or brewing. The example at Ballahantouragh, in County Kerry, is one of many such monuments recorded across the southwest of Ireland, a region where the dense concentration of prehistoric remains speaks to long and sustained habitation.

Kerry's landscape is particularly well-populated with fulachta fia, often turning up in boggy ground where the waterlogged conditions have helped preserve both the scorched stone and, occasionally, the wooden troughs beneath. The county's upland areas and river valleys offered Bronze Age communities reliable access to fresh water, grazing land, and fuel, all the practical requirements these sites seem to demand. Ballahantouragh itself is a townland in the Kerry interior, and like many place-names in this part of Ireland it preserves older Irish-language forms that can hint at the character of the land, though the precise etymology here is not straightforward. The monument at this location is one of many quietly registered presences in the Kerry record, unexcavated and largely unstudied in detail, its mound sitting in the ground much as it has for perhaps three or four thousand years.