It is one of those sites that exists largely as a rumour of itself, known through local memory rather than any visible monument.

The feature belongs to a class of monument known as a fulacht fia, a term broadly used for ancient cooking sites found in great numbers across Ireland. The typical remains consist of a mound of fire-cracked stone, often horseshoe-shaped, beside a trough that would once have been filled with water and heated by dropping stones from a fire directly into it. The burnt and shattered stones, discarded after use, are what accumulates into the characteristic mound. Most fulachta fia date to the Bronze Age, roughly 1500 to 500 BC, though the type persisted across different periods. At Ballynagree, the ground has been so thoroughly brought into agricultural use that no surface mound is apparent; what survives is the buried scatter of that characteristic burnt stone, glimpsed briefly each time the field is worked.