This ring-barrow, a circular earthen mound typically surrounded by a ditch and associated with Bronze Age burial practices, sits in reclaimed pasture roughly fifty metres south-west of the Morningstar River in County Limerick. There is nothing to see there now. No earthwork, no raised ground, no trace visible to the naked eye or to satellite imagery. The monument's entire known existence rests on one day's aerial survey work carried out on the 3rd of November 1984.

The site was identified as part of a broader inspection of aerial photographs taken at a scale of 1:5000 by Bord Gáis Éireann during the planning and construction of a gas pipeline. Cropmarks or soil discolouration visible from the air but invisible at ground level can betray the presence of buried features, and it was through this method that the ring-barrow was logged as site number 040210. It is one of a cluster of three possible barrows recorded nearby, with a fourth identified around 160 metres to the east. None of them appear on Ordnance Survey Ireland's historic maps, which suggests they were already so thoroughly levelled, or so subtly expressed in the landscape, that earlier surveyors recorded nothing. By 2011 to 2013, when modern orthophotographic imagery was examined, there was still no surface evidence to speak of.

The Morningstar River marks the boundary between the townland of Gormanstown (Grady) and its neighbour, which gives the site a quietly liminal quality even on paper. In practical terms, there is no monument to visit. The pasture around the river boundary is privately farmed land, and the barrow as a physical experience simply does not exist above ground. What this site offers instead is a lesson in how much of Ireland's prehistoric landscape has been absorbed into fields and soil, surviving only as faint signals in the right light, from the right altitude, on the right morning in early November.