There is no earthwork, no raised bank, no visible trace of any kind that a walker would notice underfoot. The only way to see this oval enclosure in Glenogra is to look down from the sky, at the right time of year, when subtle differences in how the grass or crops grow above buried features betray what lies beneath. These traces are known as cropmarks, and they form when buried ditches or walls influence how vegetation grows above them, sometimes producing faint outlines that are invisible to anyone standing in the field but legible from an aircraft or satellite image.

The monument was first identified during the Bruff aerial photographic survey in 1986, recorded under reference Bruff 31: AP 4/3646. It had never appeared on Ordnance Survey Ireland historic maps, suggesting it was either overlooked or had already lost all surface expression by the time systematic mapping began. The shape captured from the air is oval, measuring approximately 23.5 metres on its north-east to south-west axis and 22 metres on its north-west to south-east axis, making it a modest but clearly defined enclosure. Further aerial photographs were taken by the Archaeological Survey of Ireland in September and October 2002, and the cropmark remained visible in a Google Earth orthoimage captured on 25 May 2017. The site sits roughly 200 metres north-east of a public road that also functions as a townland boundary, separating Glenogra from the neighbouring townland of Coolfune. The record was compiled by Alison McQueen and Vera Rahilly and uploaded in November 2020.

There is little to see at the site itself on a ground visit, and access requires crossing private pasture land, so any visit would need the landowner's permission first. The monument is best appreciated through the aerial and satellite images that revealed it. If you do view it via Google Earth, the May 2017 orthoimage offers the clearest rendering of the oval outline. The surrounding landscape is ordinary working farmland, which is part of what makes this kind of site quietly thought-provoking; an enclosure that once meant something to the people who built it has spent centuries hiding in plain sight, only legible now because a camera was pointed downward on a dry late-spring day.