It exists, as far as the documentary record is concerned, only as a smudge of colour seen from the air, a site that slipped past every cartographer who ever surveyed the land beneath it and was only brought to light when someone looked down.

The enclosure came to official attention in 1986, when the Bruff aerial photographic survey captured what analysts described as a substantial D-shaped cropmark, its western side defined by a linear field boundary still in use today. Cropmarks form when buried features, old ditches, filled pits, or the buried footings of walls, cause the vegetation above them to grow differently from the surrounding soil, producing patches of darker or lighter growth visible only from altitude and only in the right light and season. The Ballyluddy enclosure measures roughly 57 metres north to south and 49 metres east to west, dimensions consistent with a substantial enclosed settlement, possibly a ringfort or associated farmstead, though the notes stop short of assigning it a specific type. It remained detectable in Digital Globe orthophotos taken between 2011 and 2013, and was still legible as a faint, suboval dark green cropmark on Google Earth imagery captured on 28 June 2018. A standing stone recorded separately, reference LI024-296, sits approximately on the eastern edge of the monument, a detail that raises questions about the relationship between the two features without quite answering them. The site record was compiled by Alison McQueen and Vera Rahilly and uploaded in July 2020.

The enclosure sits on a gentle northwest-facing slope in what is now reclaimed pasture, which means there is nothing obvious to see at ground level. A visitor walking the field would find no earthwork, no visible bank or ditch, no break in the grass that would suggest anything lies beneath. The standing stone on the eastern margin is the one tangible marker, and even that requires knowing to look for it. The cropmark is best observed through the aerial imagery available via Google Earth, where the June 2018 image in particular shows the suboval outline with reasonable clarity. For anyone interested in the archaeology of the Bruff area more broadly, the 1986 aerial survey that identified this site represents one of the more productive episodes of landscape discovery in the region, revealing features that ground-level survey had consistently missed.