The site survives not as a wall or a bank or even a faint earthwork, but as a cropmark, a ghostly outline that appears in aerial photographs when differences in soil depth and moisture cause overlying vegetation to grow in subtly uneven patterns. In this case the outline reveals a roughly circular enclosure, approximately twenty to twenty-five metres in diameter, set on gently elevated ground with the land falling away to the north-east towards a drain or stream.

The enclosure formed part of a wider field system in the area, suggesting it belonged to an organised agricultural or settlement landscape rather than standing in isolation. Circular and subcircular enclosures of this kind are common across Ireland and typically date from the early medieval period, though without excavation it is impossible to say with certainty what this particular example was used for. It might have defined a farmstead, a stock enclosure, or something more ceremonial. Whatever its original purpose, it did not survive into the modern era intact. Land reclamation works levelled it completely, leaving nothing visible at ground level. Its existence is now known almost entirely because aerial photography, taken and catalogued through the Cambridge University Collection of Aerial Photography, caught that faint vegetative trace before it too faded.