They appear as low, horseshoe-shaped mounds, typically found near water, and represent the remnants of ancient cooking sites, though some archaeologists have proposed other uses, from brewing to textile dyeing to bathing. The basic method involved heating stones in a fire and dropping them into a water-filled trough until the water boiled. The cracked and shattered stones, rendered useless after a few heatings, were discarded to the sides of the trough, and it is this accumulated debris that forms the distinctive mound visible today. The example at Ballygriffy in County Clare is one such site, quietly occupying its place in the landscape as a remnant of Bronze Age activity.

Most fulachta fia in Ireland date to the Bronze Age, roughly between 1500 and 500 BC, though some have produced earlier or later dates through excavation. The name itself is an Old Irish term sometimes translated as "cooking place of the wild" or associated with roving bands of warriors in early Irish literature. Clare is a county with a dense concentration of prehistoric remains, and the presence of a fulacht fia at Ballygriffy fits a wider pattern of Bronze Age settlement and activity across the region. Beyond its location and monument type, the specific details of this particular site remain unpublished at present, and little can be said with confidence about its dimensions, condition, or any associated finds without access to original survey records.