The ground itself offers nothing: no bank, no ditch, no scatter of stone. What remains is a circle drawn on an Ordnance Survey six-inch map, marking an enclosure of roughly twenty-five metres in diameter, and the reasonable inference that something once stood here.

The cartographic evidence points to a ringfort, possibly a cashel. Ringforts were the most common settlement type in early medieval Ireland, typically consisting of a raised circular area enclosed by one or more earthen banks and ditches. A cashel is the stone equivalent, its boundary wall built from dry-laid fieldstone rather than piled earth. Thousands survive across the country in varying states of preservation; many more do not. At Loughcurra, the choice of a hillock as a building site follows a pattern well recognised among such enclosures, where a slight rise in otherwise flat or gently rolling ground offered both drainage and a degree of visibility. Whatever form the enclosure originally took, nothing of it is now visible at the surface. Levelling by ploughing, stone robbing for field walls, or simply the slow work of centuries of agriculture can erase even substantial earthworks entirely, leaving only the ghost of a circle in an old map's ink.