Yet that is precisely the situation on a stretch of sloping pasture in County Limerick, where five ring-barrows, the circular earthen mounds used for burial during the Bronze Age and sometimes earlier, lie roughly ninety metres apart from one another in a loosely grouped cemetery. Ring-barrows typically consist of a low central mound enclosed by a ditch and outer bank, and while many survive visibly across the Irish landscape, the examples in this part of Limerick have left almost no trace detectable to a camera.

The site was first identified not through fieldwork on the ground but through scrutiny of aerial photography. A survey of the Bruff area conducted in 1986, catalogued as Bruff AP 4/3681, revealed the distinctive cropmark or soilmark patterns that betray a ring-barrow to a trained eye, even when the feature has long since been flattened by centuries of agriculture. That image, in which the site was labelled Bruff 243, remains the primary documentary evidence for its existence. Ordnance Survey Ireland maps, both historical editions and orthoimages captured between 2005 and 2012, show nothing. Digital Globe imagery from 2011 to 2013 shows nothing. Google Earth imagery captured as recently as November 2018 shows nothing. The site was compiled into the record by Edmond O'Donovan and uploaded in September 2020, making it a relatively recent addition to the formal archaeological inventory despite the monument itself being of considerable antiquity.

The barrow sits on ground rising toward Knockseefin Hill, approximately eight hundred metres to the northeast, and lies about seventy-five metres north of the townland boundary with Knocknacrohy. Because the site is on private agricultural land and leaves no surface expression visible to the naked eye under normal conditions, there is little to see during a visit without specialist knowledge of what to look for. The most honest reason to seek it out is the strangeness of the circumstance itself, a cluster of ancient burials that modern technology consistently fails to render visible, known to exist only because someone thought to look carefully at a photograph taken nearly forty years ago.