No earthwork rises above the surface, no stones break the grass, and no edition of the Ordnance Survey six-inch map ever recorded anything here at all. The site exists, as far as current evidence goes, only as a faint circular shadow visible from the air, caught in an aerial photograph and tentatively identified as a barrow, the generic term for a prehistoric burial mound or funerary enclosure.

The identification remains cautious. What the aerial photograph shows is a small circular enclosure, the kind of cropmark or soil variation that can betray a buried feature long after its surface expression has been erased by centuries of ploughing or grazing. The site sits in pasture with a noticeable fall in ground level to the east, which may or may not be related to whatever lies beneath. What gives the identification some plausibility is the company it keeps. Two ringbarrows, a type of circular funerary monument typically defined by a bank and internal ditch, lie within roughly two hundred metres to the south-southwest. Prehistoric burial monuments in Ireland often cluster in this way, suggesting that particular landscapes were chosen and returned to over generations for ceremonial or funerary purposes. Whether Ballinphull represents a third node in such a cluster, or simply a trick of the soil and light, has not yet been determined.