Invisible at ground level and absent from the Ordnance Survey's historic maps, a pattern of linear cropmarks spreads across an area roughly 550 metres north to south and 300 metres east to west. Cropmarks form when buried features such as ditches, walls, or drainage channels affect the moisture and nutrients available to the vegetation above them, causing the grass or crops to grow differently and reveal their outlines when seen from the air, particularly in dry conditions.

The site first came to attention during the Bruff aerial photographic survey in 1986, when it was recorded as a possible field system under the reference Bruff 101. The lines, some of them running perpendicular to one another, suggested the kind of organised land division associated with medieval or earlier agriculture. More recently, Digital Globe and Google Earth orthoimages taken between 2011 and 2013 confirmed that the pattern remains legible from above. The question of what it actually represents, however, is not settled. The site sits immediately south of the townland boundary with Kilfrush, and about 520 metres south of Kilfrush House. That proximity matters, because the cropmarks may have nothing to do with a medieval field system at all. They could instead be the remains of post-1700 drainage channels dug as part of land reclamation works connected to the Kilfrush House estate, a common improvement practice among landowners from the eighteenth century onwards.

Because this is working farmland in rough, partially reclaimed pasture, there is no formal access and nothing to see from the ground. The site rewards those interested in aerial archaeology or in tracing the landscape history of the Kilfrush area through map regression and remote sensing. Comparing the Digital Globe orthoimages against the historic OSi mapping is itself instructive, precisely because the feature does not appear on the older sheets, which raises as many questions as it answers about when the underlying works were carried out and by whom. The record was compiled by Fiona Rooney and uploaded in July 2021, and remains flagged as requiring further investigation before the medieval or post-medieval interpretation can be resolved.