Beneath the turf lies a dark mass of burnt and shattered stone, the accumulated debris of prehistoric cooking. This is a fulacht fia, a type of monument found in extraordinary numbers across Ireland, typically dating from the Bronze Age. The standard interpretation is that these sites functioned as outdoor cooking places: stones were heated in a nearby fire, dropped into a water-filled trough to bring it to a boil, and the cracked, heat-spent stones were then discarded into a horseshoe-shaped mound around the trough. Over centuries that mound of fire-fractured material becomes a small but distinctive feature in the field, easily mistaken for a natural rise in the ground.

What makes this particular spot worth noting is not the mound itself so much as its company. Approximately seventy metres to the north-west lies a second fulacht fia, a proximity that raises questions about how these sites were used and by whom. Paired or clustered examples are known elsewhere in Ireland, and the reasons for such groupings remain a matter of debate among archaeologists. Whether the two sites were in use simultaneously, perhaps serving different functions or different groups, or whether one simply replaced the other over time, cannot be determined from surface evidence alone. The Ballynoe example is recorded in the Archaeological Inventory of County Cork, Volume 4, covering the North Cork region, published in 2000.