No earthwork rises above the surface; what survives is a cropmark, the faint but telling trace left when buried features affect the growth of vegetation above them. In dry conditions, the lines of a filled-in fosse, a defensive ditch that would once have defined the enclosure's boundary, show as differences in crop colour or height, invisible to anyone standing at ground level but readable in aerial photography.

The photograph that captured this site, referenced as GB96.FW.23, reveals a small rectangular enclosure defined by just such a fosse. Immediately to the north-east, on the same image, a second feature appears: a subcircular enclosure, a form more commonly associated with early medieval settlement in Ireland, where circular or roughly circular ditched enclosures, often called raths or ringforts, were constructed around farmsteads. The proximity of two distinct enclosure types within the same photographic frame is what makes the Kylebeg site of particular interest. Whether they are contemporary, sequential, or entirely unrelated in date is not something the aerial evidence alone can settle, but their closeness suggests this patch of Kilkenny farmland has a longer and more layered history of use than the surface currently betrays.