The ground gives nothing away now, no bank, no ditch, no curve of raised earth to suggest that anything ever stood here. And yet, for nearly a century of mapping, cartographers dutifully recorded it.

A ringfort, or rath, is an enclosed farmstead of the early medieval period, typically formed by one or more circular earthen banks and ditches, within which a family would have kept their home and livestock. They are among the most common archaeological monument types in Ireland, numbering in the tens of thousands, though many have been lost to agriculture over the centuries. This one, roughly 35 metres in diameter according to the Ordnance Survey, appeared as a hachured circular enclosure on the six-inch maps of 1842, 1904, and 1937, each successive survey still faithfully tracing its outline on a north-west facing slope. Somewhere between that last mapping and the present, it was levelled entirely. The pasture closed over it and left no visible surface trace.

What makes this particular absence quietly compelling is precisely that paper trail. Three generations of surveyors saw it, drew it, and moved on. The 1842 survey represents some of the earliest systematic cartographic work in Ireland, and to see the same feature recorded again in 1904 and 1937 is to watch a monument slowly approaching its own erasure, still present enough to mark, still recognisable as a circle on a slope, until it was not.