The church it once enclosed has vanished entirely above ground, and the graveyard that accompanied it occupies a quiet corner of the interior with no obvious hint of the formal ecclesiastical geography that once surrounded both. The whole complex only becomes legible from the air, where the buried outlines of two concentric circular boundaries emerge as cropmarks, the kind of faint discolouration in growing crops that reveals buried ditches and banks to which no other trace survives.

What the aerial record shows is a bivallate ecclesiastical enclosure, meaning one defined by two concentric boundary circuits rather than one. The inner ring measures approximately 70 metres in diameter, the outer around 100 metres. This double-boundary arrangement was a deliberate feature of early Irish ecclesiastical sites, conveying both the sacred status of the inner precinct and a graduated sense of approach or protection. The church of the parish of Kilmacahill and its associated graveyard sit in the south-western portion of the inner enclosure. The outer boundary has not survived intact: a road clips and truncates it to the north-west, and to the south-west the line of it disappears beneath both the road and a farmyard beyond. The full circuit, in other words, now runs partly under working agricultural land. An aerial photograph taken on 18 July 1970 captured the enclosure's cropmark traces with unusual clarity, and more recent satellite imagery, though less definitive, still suggests the outlines beneath the fields.

The site sits on the eastern side of the road that runs south-east from Garryduff crossroads. The graveyard remains the most tangible presence here, and visiting it gives little indication of the scale of the enclosure beneath the surrounding ground. The cropmark phenomenon that makes this place legible is seasonal and dependent on dry summers, when buried features stress the crops above them at different rates, so the aerial photographs remain the clearest way to read what is actually there.