But the circular mound they surround, roughly twelve metres across and slightly raised above the surrounding ground, has a complicated identity that decades of observation have done little to fully resolve. It may be a barrow, the term used for a prehistoric burial mound, and if so it would sit quietly alongside a possible ringfort just fifty metres to the southwest. Or it may simply be a pond, filled in for safety reasons around thirty years ago, with trees planted around the edge to mark the spot. The honest answer is that nobody is entirely certain, and that ambiguity is precisely what makes it worth knowing about.

The site sits on the demesne lands of Killeenavera House, which lies roughly 150 metres to the west, in level pasture near a townland boundary with Boherroe. It appears on the 1897 edition of the Ordnance Survey 25-inch map as a small circular platform, measured at around seventeen metres in diameter, positioned about five metres northwest of a small pond. In 1964, a researcher named O'Dwyer recorded it as a platform roughly 13.7 metres across and 1.2 metres high, and even produced a profile drawing of the earthwork. When the Archaeological Survey of Ireland examined the site in 2008, they found a slightly raised circular mound of about twelve metres in diameter, enclosed by mature trees. Local information gathered around that time suggested the pond visible on the nineteenth-century map had been backfilled, the ground raised, and trees planted around the perimeter. Whether a prehistoric monument lay beneath all of that, altered or obscured by the later intervention, remains an open question.

The mound is on private farmland and is not formally accessible to the public, but its distinctive ring of trees is visible in aerial imagery, including Google Earth images from 2018, where it reads clearly as a tree-planted circle set against open pasture. Anyone with an interest in the landscape archaeology of the region would find it worth noting alongside the nearby possible ringfort, which is recorded separately in the national monuments database. The broader area around Killeenavera rewards careful map-reading; the 1897 OS 25-inch sheets in particular offer a version of the landscape before twentieth-century changes obscured some of its older features.