These are among the most common prehistoric monuments found in Ireland, typically taking the form of a horseshoe-shaped or spread mound of shattered, fire-cracked stones, the accumulated debris of repeated heating. The process involved dropping stones heated in a fire into a water-filled trough until the water boiled, and while their exact purpose remains debated, cooking is the most widely accepted explanation. The Bettyville example measures roughly 29 metres north to south and 10 metres east to west, making it a sizeable spread of burnt material by any measure.

The site was recorded by Bowman in 1934, placing its documentation in a period when systematic attention to such monuments was still relatively new in Irish fieldwork. Fulachtaí fia, as they are known in the plural, date most commonly to the Bronze Age, roughly 1500 to 500 BC, though examples span a broader range. The sheer number of them across the Irish landscape, thousands have been identified, suggests they were a routine feature of life rather than anything ceremonial or exceptional. The Bettyville example, lying low under pasture grass in north Cork, is in that sense entirely typical, which is itself a kind of point: ordinary prehistoric life, repeated and unremarked, preserved in the soil.