There is no mound, no earthwork, no crop mark visible on satellite imagery. The only reason anyone knows it exists is because a gas pipeline cut through it in 1986, and the machinery happened to skim a little too deep.

The site came to light during construction of the Bórd Gáis Éireann Curraleigh West-Limerick pipeline, when archaeologist Eoin Grogan was brought in to investigate. What the excavation revealed, as published by Gowen in 1988, was a ring-ditch, a type of circular drainage channel that typically surrounds a burial mound or barrow, enclosed within a larger outer ditch forming a roughly circular or oval enclosure approximately 20 metres in diameter. That outer ditch was modest in scale, reaching 80 centimetres in width and just 30 centimetres deep, but its function appears to have been deliberate and formal. Inside the enclosure, excavators recorded a hearth pit filled with charcoal, heat-shattered stones, and ten sherds of coarse, undecorated pottery, along with eight further pits and twenty-two post and stake holes whose arrangement resisted any clear interpretation. One pit held a substantial portion of a single ceramic vessel. Grogan concluded that while the hearth suggested some domestic use, this was most likely secondary to a wider ritual function. The site was not marked on the Ordnance Survey six-inch maps, meaning it had passed entirely unrecorded before the pipeline work began.

There is nothing to see here in the conventional sense. The site sits in reclaimed agricultural land, and aerial and satellite imagery taken between 2011 and 2013 shows no surface trace whatsoever. Its interest lies precisely in that invisibility: a Bronze Age ceremonial enclosure, used and then sealed beneath centuries of soil, only briefly exposed and then effectively lost again. For those interested in pipeline archaeology or the methodology of rescue excavation, the original published account in Gowen's 1988 report remains the primary record of what was found and how it was interpreted.