That quiet transformation is what makes this low earthwork on a south-facing slope in Kilgarve quietly worth pausing over. What survives today is a grass-covered enclosure, roughly 31 by 27 metres, defined by worn earthen banks on three sides and a drainage channel along the east. The banks are modest, barely rising above the interior surface, though the northern bank still stands over a metre high on its outer face. There is no outer fosse, no identifiable original entrance, nothing that announces itself as ancient. It reads, to the casual eye, as a field.

The 1837 edition of the Ordnance Survey six-inch map recorded the feature as a circular embanked enclosure with an external diameter of approximately 40 metres. By the 1911 edition, the same spot was marked as a hachured rectangular feature, hachures being the short radiating lines cartographers used to indicate an earthen edge or slope. That shift in shape almost certainly reflects real change on the ground rather than a draughtsman's error. The working interpretation is that this was originally a rath, a type of enclosed farmstead typical of early medieval Ireland, usually circular and defined by one or more earthen banks. At some point between those two surveys, the circular form was remodelled, its curves squared off and its interior repurposed as agricultural land. The eastern bank was replaced entirely by a drainage channel. The rath, in effect, became a field, and most of its earlier character was absorbed into the working landscape of the ridge.