On the floor of the upper Araglin river valley in the Knockmealdown uplands, where a tributary stream bends sharply from its northeast-southwest course and turns northwest, a low mound of heather-covered stones sits quietly at the ravine's edge. It is easy to overlook: only four metres or so across and barely thirty centimetres high, it would read from a distance as little more than a slight thickening of the ground. But ten small kerbstones protrude above the surface in a rough circle, and 2.7 metres to the east a slender standing stone, half a metre tall and oriented tangentially to the mound, makes clear that the arrangement is deliberate. A cairn circle of this kind is a prehistoric monument type in which a stone cairn, the mounded rubble familiar from countless Irish hillsides, is formally defined by a kerb of upright stones around its perimeter, suggesting the cairn was meant to be read as a bounded, finished thing rather than simply accumulated.

What makes this particular site quietly remarkable is not any single feature but the density of related monuments in the immediate area. A kerb circle and a ring-cairn, the latter being a cairn with a hollow centre enclosed by a kerb, lie to the south, while a second cairn circle was constructed directly on top of this one, effectively burying it. That layering implies repeated use or memorialisation of the same spot across what may have been a long span of prehistoric time. Michael Moore's survey work, published in the Archaeological Inventory of County Waterford in 1999, identified this as part of a small but concentrated ceremonial landscape in the Coumaraglin mountain area, the kind of grouping that suggests the valley held significance for communities who returned to it, built upon it, and built upon it again.