Running for roughly 160 metres in a south-westward direction, it survives only as a cropmark, the kind of ghostly outline that appears when buried features affect how crops grow above them, producing subtle differences in colour or height that become legible from the air but are invisible at ground level.

The boundary was first recorded on an aerial photograph taken on 17 July 1967, part of the Cambridge University Collection of Aerial Photography. It reappeared in satellite imagery captured on 14 July 2018, confirming that the feature has enough archaeological substance to keep expressing itself through successive harvests across more than half a century. What makes it particularly interesting is where it begins: the western fosse, or defensive ditch, of a nearby enclosure. Enclosures of this type were common features of the Irish landscape from the early medieval period onward, typically consisting of a roughly circular area defined by an earthen bank and outer ditch. The field boundary appears to have extended outward from that ditch, suggesting it was once a functional part of the same organised landscape, perhaps delineating land use, guiding livestock, or marking a boundary between holdings associated with whoever occupied the enclosure.