At ground level, the land gives nothing away. No earthwork rises from the grass, no obvious bank or ditch catches the eye. The monument has been effectively levelled, absorbed into the agricultural landscape around it, and it never appeared on any historic Ordnance Survey Ireland maps. Its existence only became known because someone looked down from the air.

The site was first identified during the Bruff aerial photographic survey in 1986, recorded as image reference Bruff 84, when the characteristic shadow and tone patterns of a buried circular feature became legible from above. What the aerial photographs revealed was a roughly circular enclosure, defined by a fosse, which is a defensive or boundary ditch, and a possible accompanying bank, sitting within a broader field system. Later orthophotography taken by Ordnance Survey Ireland between 2005 and 2012 confirmed the circular shape and its approximate diameter. By the time Google Earth imagery was captured in November 2018, the monument had been further compromised: a drainage ditch running east to west had truncated the northern arc of the enclosure, and a second ditch running northeast to southwest intersected it at the same side. A summer image from June 2018 showed the monument most clearly of all, visible as a cropmark, the phenomenon where buried features cause differential growth or colour in overlying vegetation, especially legible in dry conditions when crops or grass above shallower buried soil stress earlier than the surrounding ground.

There is nothing to see here in the conventional sense, and that is precisely what makes it worth understanding. The enclosure lies approximately 300 metres south of the townland boundary with Farranafina and 55 metres west of the boundary with Prospect. Anyone curious enough to visit should be aware that access crosses private agricultural land, and that the ground shows no surface trace of what lies beneath it. The most informative view remains the aerial one: the June 2018 Google Earth orthoimage offers the clearest picture of the cropmark, and the 1986 Bruff survey photograph, labelled Bruff 84, provides the original documentary evidence. The record was compiled by Martin Fitzpatrick and uploaded in April 2021, adding Garryheakin quietly to the growing inventory of Irish monuments that exist, for now, only in the archive and in the soil.