The monument sits within what was once a circular kerbed mound, though the relentless Atlantic has claimed roughly half of the structure, leaving behind a semicircular cairn that now measures 20 metres east to west but only 10 metres north to south. The tomb itself faces southeast and stretches 4.5 metres in length, barely a metre wide, with its entrance marked by kerbstones that curve inward as if to frame the sacred threshold.

Archaeological excavations in 1986 and 1987 revealed fascinating details about the tomb’s internal architecture and its ancient purpose. The passage is divided into four distinct compartments by stone sills, creating chambers of varying sizes; the innermost being the largest at 1.8 metres long. Within these chambers, archaeologists discovered a considerable quantity of fragmented human bones, some bearing traces of charcoal, suggesting cremation practices. The finds paint a picture of sophisticated burial rituals: a miniature stone axehead, flint scrapers, fragments of a stone bead, prehistoric pottery sherds, and intriguingly, a piece of bone decorated with concentric semicircular scores were all recovered from the site. Historical records from Wood-Martin in the 1880s mention that bones, ashes and a cinerary urn had been found here “many years ago”, indicating the site had long captured local attention.

The tomb’s construction reveals the skill of its Neolithic builders, who used rounded and oval kerbstones, carefully positioned and supported by smaller beach stones where needed to prevent toppling. Between the kerb and the tomb entrance, flat stones were laid to create what appears to be a ceremonial pavement. Beneath the cairn itself, excavators found evidence of pre-monument activity in the form of a compact layer containing charcoal flecks, fire-reddened stones, and stone tool manufacturing debris, including a leaf-shaped flint arrowhead. This clifftop monument, now standing just 20 centimetres from the precipice at its closest point, continues to yield secrets about Ireland’s prehistoric communities whilst simultaneously facing the very real threat of being lost to the sea that has already claimed so much of its original form.