The cairn at Poulaphuca is not especially dramatic in scale, measuring roughly twelve metres north to south and ten metres east to west, rising to little more than a metre at its highest point. What gives it weight is context: this is not an isolated monument but one piece of a much older arrangement of the land.

The cairn is subcircular in shape and retains a cist on its northern side. A cist is a small stone-lined burial box, typically set into or beside a cairn to hold human remains or grave goods, and its presence here suggests a funerary function going back to prehistory. The surrounding area compounds that sense of accumulated time. A standing stone lies roughly 178 metres to the west-southwest, and a wedge tomb, a type of Neolithic or Early Bronze Age megalithic grave characterised by a tapering chamber formed from large upright slabs, sits approximately 195 metres to the north. All of this falls within an extensive multiperiod field system, meaning the enclosures, boundaries, and divisions visible across this part of Clare were laid down across several distinct eras rather than in a single episode of settlement. The cairn, the cist, the standing stone, and the wedge tomb together suggest a community that returned to this ridge repeatedly, marking it with monuments across generations.

The rough pasture and elevated position mean the ground underfoot is uneven, and the cairn's profile is subtle enough that it could easily be read as a natural rise. Looking carefully at the northern edge, where the cist is located, gives a clearer sense of its constructed nature.