The ditch barrow at Ballinvana, sitting in reclaimed wet pasture roughly 150 metres south-west of the Morningstar River, has never appeared on Ordnance Survey historic maps, and by the time satellite imagery caught up with the area sometime between 2011 and 2013, there was nothing visible at all on the ground. Its existence rests almost entirely on a circular cropmark captured during a survey of pipeline routes.

The site came to light when aerial photographs commissioned by Bórd Gáis Éireann for a gas pipeline project were examined. The photographs, taken on 3 November 1984 at a scale of 1:5,000, revealed a circular feature in the field that archaeologists later interpreted as a ditch barrow, a form of prehistoric funerary monument defined by a surrounding ditch rather than a raised earthen mound. It is one of six possible barrows identified in the same field system in this part of Ballinvana, suggesting the area may once have held a small concentration of burial monuments. The Morningstar River, which runs close by and marks the townland boundary with Elton, gives the location a faint drama, though the landscape today gives little indication of any of this. The record was compiled by Fiona Rooney and uploaded to the national monuments database in June 2021.

For anyone making their way to this part of east Limerick, there is an honest caveat worth bearing in mind: there is nothing to see. The pasture has been reclaimed, the surface has been smoothed, and no earthwork survives to mark the spot. What remains is essentially documentary, a ghost preserved in archive photography rather than in soil and stone. The value here is less in visiting than in understanding how much of Ireland's prehistoric landscape has vanished into improved farmland, only occasionally surfacing as a shadow in the right light, from the right altitude, at the right time of year.