During construction works on the South-Eastern Motorway in south County Dublin, excavators uncovered a low oval embanked monument near Laughanstown, roughly thirty metres in diameter, sitting quietly to the south of an already-known wedge tomb. A wedge tomb is a type of megalithic burial structure, typically dating to the late Neolithic or early Bronze Age, and the proximity of this ring-cairn to one suggests a landscape that was, at some point, deliberately organised around the dead or around ritual activity. The bank of the ring-cairn was built not from dressed or quarried stone but from field stones, some of them arranged around glacial erratics, boulders deposited by retreating ice sheets long before any human hand touched them. That someone chose to incorporate these pre-existing natural features into a monument's fabric hints at how early communities understood and worked with the land they found.

The objects recovered from within and around the bank tell a quieter story of everyday life alongside ceremony. A saddle quern, the kind of flat grinding stone used to process grain by hand, was found both among the bank stones and within one of the central pits. A maul, a heavy stone used for pounding, and a collection of hammerstones were also present, as was a porphyry stone axe, porphyry being a hard igneous rock sometimes valued precisely because it was not locally available. Fragments of burnt bone were scattered across the ground surface of the enclosure. Another of the central pits yielded a spindle whorl, a small perforated disc used as a weight when spinning thread. The combination of grinding tools, textile equipment, and burnt bone in a monument of this form is not straightforwardly domestic or straightforwardly funerary; it sits in the less comfortable space between the two. The site was documented and reported by Seaver in 2003.

The site lies in an area that has changed considerably since its excavation, swallowed into the suburban and road infrastructure of south Dublin. Visitors should not expect to find a preserved monument in an open field. The value of knowing about this ring-cairn is less in standing before it than in understanding what the construction of ordinary infrastructure continues to reveal about the depth of activity in landscapes that look, on the surface, entirely modern. If you are in the area and curious about the broader prehistoric context, the nearby wedge tomb at Laughanstown, recorded as monument 26:24 in the national inventory, remains the more accessible reference point for the same stretch of ancient ground.