Stand on the gentle rise in the undulating pasture where it sits, and there is nothing to indicate anything of note underfoot, no earthwork, no ridge, no visible trace of the circular enclosure that is nonetheless recorded in the archaeological inventory. It exists, at least to ground-level observers, only as an absence.

The site came to light not through excavation or fieldwork in any conventional sense, but through the sky. During preliminary archaeological survey work associated with the N20 Limerick South Ring Road, aerial photography revealed a cropmark in the fields at Cloghkeating. Cropmarks form when buried features, walls, ditches, or filled pits, affect how vegetation grows above them; in dry summers especially, grass or grain over a buried ditch tends to stay greener longer, while growth over a buried wall may yellow earlier, and the contrast becomes legible from altitude even when invisible at ground level. The photograph showed the outline of a circular enclosure, a shape that in the Irish archaeological record is most commonly associated with a ringfort or rath, a type of enclosed farmstead used from the early medieval period onwards, though enclosures of this form can date to a much wider range of periods. What the aerial image captured was not on the Ordnance Survey six-inch map of 1924, suggesting it had already been reduced to near-invisibility by that point. When archaeologist Denis Power compiled the record, uploaded to the inventory in May 2013, a physical inspection of the site confirmed that nothing remained visible on the surface.

For anyone curious enough to seek it out, the site lies on rising ground in ordinary farmland, the kind of landscape that gives little away. There is no marker, no information board, and no feature to orient yourself by once you arrive. Access would require landowner permission, as with most agricultural land in Ireland. The real interest here is conceptual as much as physical: this is a place whose existence is confirmed by a photograph taken from an aircraft, recorded in a national database, and yet offers nothing whatsoever to the eye of a person standing on it.