What survives is a cropmark, the faint but telling trace left in growing crops or grass when buried features alter how plants draw moisture from the soil, causing differences in colour or height that become readable in aerial photographs. In this case, the cropmark reveals a curved section of a fosse, an enclosure ditch, running roughly north to south along the eastern side of a field boundary, with a possible entrance oriented to the south-south-east.

The arc was captured in an aerial photograph taken in July 1989 as part of the Cork Aerial Survey and Archaeological Programme. The curve extends approximately 35 metres, and while only a portion of the original circuit is visible, the shape is consistent with a roughly circular enclosure. A second, related enclosure lies around 80 metres to the south-east within the same field, suggesting that whoever occupied this landscape in antiquity was organising it with some deliberateness, perhaps for settlement, for livestock, or for reasons that are now impossible to recover without excavation. Circular enclosures of this kind are among the most common archaeological features in the Irish countryside, often associated with early medieval ringforts, though without investigation the date and function of the Kilpadder example remain open questions.