It leaves no surface trace, no mound, no hollow, no arrangement of stones. What betrays it is the crop growing above it, which, in the dry conditions of a summer month, responds differently to the buried soil disturbance beneath and produces a faint but legible ring of discolouration visible from the air. This is a ring-ditch, the ploughed-down remains of what was most likely a circular earthwork, possibly surrounding a burial monument, from the prehistoric period.

The site was recorded by Christine Baker and uploaded to the national monuments record in November 2021, based on analysis of Google Earth imagery captured on 24 June 2018. On that date, the cropmarks showed the ring-ditch sitting within a large arable field on an east-west ridge in the Newpark townland area. It lies approximately 140 metres west of a previously recorded enclosure, catalogued as DU011-021, and the same field contains additional cropmarks suggesting this ridge was once a far more populated prehistoric landscape than its present agricultural surface implies. Cropmarks of this kind appear when buried ditches or pits retain moisture differently from the surrounding subsoil, causing the plants above them to grow taller or change colour at the critical dry point of summer, briefly making the invisible visible.

Because the monument exists entirely below ground and within a working arable field, there is nothing to visit in any conventional sense. The most useful way to engage with it is through the aerial and satellite imagery on which the record depends. The June 2018 Google Earth orthoimage remains accessible through standard mapping tools, and the ring is clearest when viewed at an oblique zoom against the dry-crop contrast of that particular season. Anyone with an interest in the wider prehistoric landscape of the Castleknock area would find it worth cross-referencing with the nearby enclosure to the east, which together begin to suggest a pattern of ancient activity along this ridge that ground-level observation alone would never reveal.