But at Cuppanagh in County Sligo, that discoloured band of ground, roughly four metres wide, is what remains of a boundary arc that was still a metre high as recently as 1993. It marks the edge of something much larger: an early ecclesiastical enclosure measuring approximately 120 metres across its north-west to south-east axis, most of which has either been absorbed into the working landscape or swallowed by dense scrub along the lakeshore.

Early Christian monasteries and church sites in Ireland were typically defined by a roughly circular or oval enclosure, often called a cashel if built in stone or a rath-like earthwork if earthen, which set the sacred space apart from the surrounding land. At Cuppanagh, curving field boundaries visible on the 1914 Ordnance Survey six-inch map, and confirmed by aerial photography, trace that original circuit to the south, north-west, and north of the graveyard. The graveyard itself, together with the remains of an associated church and a leacht cuimhne, a low commemorative cairn or memorial stone typical of early Irish religious sites, all sit within the south-east quadrant of this enclosure. Inside the graveyard's east wall, a broad band of slightly raised ground with a gentle westward slope may represent part of the original interior surface. The drystone boundaries that once completed the circuit along the lakeshore to the south-west and around the field to the west are now engulfed by scrub, and a further curving boundary on the north side of a road, running through what would have been the northern half of the enclosure's interior, is similarly lost to vegetation. Around 600 metres to the north-north-west, a saint's stone associated with St Patrick adds another layer to the site's early religious significance.

What makes Cuppanagh quietly compelling is precisely how thoroughly the enclosure has been redistributed across the ordinary features of a rural townland. The curving lines that once defined a single sacred space have become field walls, grass bands, and scrub-covered ridges, legible only when you know what the original shape was. The 1914 map and aerial photography revealed the pattern; on the ground, it takes patience and a degree of imagination to assemble it.