It sits roughly twenty metres east of a local road, somewhere in the soft pasture of Gormanstown, and the only reason anyone knows it exists is because a gas company flew a plane over the area in November 1984 and took a photograph. No mound breaks the surface. No crop mark announces itself on recent satellite imagery. It leaves no impression on the ground that a walker would notice, and it never appeared on any Ordnance Survey historic map. It is, by almost any practical measure, invisible.

The site belongs to a remarkable cluster of thirteen barrows, a type of prehistoric burial monument typically consisting of a mound of earth or stone raised over the remains of the dead, sometimes surrounded by a ditch, recorded across an area roughly two hundred metres north to south and two hundred and fifty metres east to west. The group is catalogued under the reference LI040-070001 to 013 in the national Sites and Monuments Record. This particular example was identified by the Discovery Programme, the Irish state body established to advance archaeological research, after analysts examined an aerial photograph taken on the third of November 1984 as part of a Bord Gáis Éireann survey. Aerial photography has long been one of archaeology's more productive tools, revealing buried or levelled features through subtle differences in soil colour, crop growth, or ground moisture that remain entirely invisible at ground level. Subsequent orthophotos taken between 2005 and 2012, a Digital Globe image from 2011 to 2013, and more recent Google Earth imagery have confirmed that nothing survives above the surface. The record was compiled by Martin Fitzpatrick and uploaded in May 2021.

For anyone curious enough to seek this out, the location is wet pasture, which means the ground can be heavy and uncooperative depending on the season. The site lies close to a local road in the Gormanstown townland, but there is no marker, no signage, and nothing to distinguish the relevant patch of field from any other. The value here is less in what you can observe on the ground and more in what the aerial photograph represents, namely the idea that a whole prehistoric landscape, thirteen monuments clustered in a relatively small area, can persist beneath ordinary farmland without any outward sign. The photograph itself, BGE 2557, is the closest thing to a window into what lies below.