A ditch barrow, to use the proper term, is a low funerary mound of prehistoric origin, typically ringed by a circular ditch and raised bank, and usually associated with burial. The operative word here is usually. This particular barrow, sitting quietly in the southern part of a field roughly 30 metres east of a small stream, has never been excavated, and the wider cemetery to which it belongs has a peculiar distinction in Irish archaeology: when researchers did dig here, they found almost nothing.

The site is one of six barrows arranged across an area measuring roughly 100 metres north to south and 115 metres east to west, forming what is classified as a barrow cemetery. A separate barrow cemetery lies just 70 metres to the west, and an enclosure sits 110 metres to the south-east, suggesting this corner of Limerick was once a place of considerable ritual or commemorative significance. In 1935, the archaeologist S. P. Ó Ríordáin excavated three of the six barrows in this grouping, as part of a broader campaign that investigated twenty such monuments in total. His published account, from 1936, is unusually candid: the results were, in his own words, "frankly disappointing," with no unmistakable burial found in any of the barrows examined. Whether the monuments were cenotaphs, whether burials were removed in antiquity, or whether the excavation methods of the period missed something, the record does not say. The barrow covered here was not among those opened, so it remains, technically, an unknown quantity.

There is little to see on the ground today. Aerial imagery shows no surface remains, and the land has been thoroughly reclaimed as pasture, which means the barrow's outline, if it ever projected meaningfully above the surrounding field, has been levelled or obscured over time. The site lies near the townland boundary with Lissard, which can help orient a visitor approaching on foot. For those drawn to the idea of a prehistoric landscape that has been studied, puzzled over, and left fundamentally unanswered, the wider Ballynamona area rewards patient attention, even if the monuments themselves offer little in the way of visible drama.