The implication, carried quietly through successive surveys, was that this was a feature of genuine antiquity. When someone finally went to look more closely, the story turned out to be more complicated.

The site sits in a low-lying position on a karst landscape, the distinctive limestone terrain of Clare where the rock lies close to the surface, fractured and shaped by water over millennia. The enclosure itself is subcircular, measuring roughly 73 metres north to south and 70 metres northeast to southwest, substantial enough to read as significant on a map. But when it was inspected in 2000, the surrounding wall was found to be of modern construction. It is built from drystone, a technique requiring no mortar, with uncoursed stones laid without regular horizontal courses and larger boulders placed at the base along the northwest section. Covered in ivy and varying between 1.4 and 1.8 metres in height, it has the weathered appearance of something much older. There are modern entrances at the northeast and southwest. The site had been listed as an enclosure in both the Sites and Monuments Record in 1992 and the Record of Monuments and Places in 1996, classifications it retained even after the inspection clarified its origins.

What makes Kylecreen quietly interesting is precisely this gap between appearance and reality. The wall looks old, sits in ancient-feeling terrain, carries an old Irish place name, and was mapped in the early twentieth century as though it belonged to the landscape's deeper history. It is a reminder that the archaeological record is not static, and that a site listed in one decade may be quietly reappraised in the next without anyone necessarily updating what appears on a map.