That last detail is quietly arresting. Enclosures of this kind were typically used to pen livestock or mark out a settlement, so the absence of any visible gap in the wall raises an immediate question: how did anything, or anyone, get in or out? The wall itself is built from sandstone rubble, running roughly 22 metres north to south and 27.5 metres east to west, with a width of over two metres but surviving to only half a metre in external height. Whatever it once contained, it kept its business to itself.

The enclosure does not sit alone. When Diarmuid O'Keeffe surveyed the area in 1996, he identified a substantial complex of features across this stretch of upland, including at least four enclosures, six hut sites, clearance cairns, a field system, and a possible ring-cairn. Clearance cairns are exactly what they sound like, heaps of stone gathered from fields to make the ground workable, and their presence here alongside hut sites and a field system suggests a community that was farming this slope with some seriousness. The ring-cairn, a circular bank of stones that may mark a burial or ritual site, adds a different register entirely. Taken together, the complex points to a period of sustained upland activity, the kind that tends to be underestimated when people think of early Irish settlement as something confined to valleys and lowland plains.

The site overlooks a river valley to the east, which would have made this slope a reasonable if exposed place to work. The Knockmealdown mountains run along the Tipperary and Waterford border, and their upper reaches carry the particular bleakness of ground that has been farmed and then abandoned, the old walls subsiding quietly back into the hillside.