The site at Gillardstown sits on the shoulder of a hill in open pasture, commanding views to the east, west, and south, the kind of elevated, watchful position that made ringforts, the circular enclosed farmsteads of early medieval Ireland, so characteristic of the Irish landscape. At some point the earthwork was levelled, leaving nothing visible to anyone walking the field. But in November 2011, a Digital Globe aerial photograph caught what the ground conceals: a faint circular crop mark, roughly 42 metres across from north to south, tracing the ghost of the original enclosure in the differential growth of the grass above it.

The ringfort was still present, at least in outline, when the Ordnance Survey mapped the area in 1837. Both the OS Fair Plan and the six-inch edition of that year mark it as a circular earthwork, labelled simply as "Fort", which was the surveyors' standard shorthand for such enclosures at the time. A second ringfort lies approximately 220 metres to the northwest, and a small lake sits a similar distance to the southwest, details that suggest this was once a reasonably populated corner of the early medieval countryside, where enclosed settlements were often clustered within sight of one another and near water. At some point between 1837 and the present, the monument was ploughed or otherwise graded out of existence, a fate that befell a significant number of Irish ringforts during the agricultural intensification of the nineteenth and twentieth centuries.

There is nothing to see at ground level today, and the crop mark that briefly revealed the site's dimensions is only legible from the air. The value of the place lies less in what a visitor might observe than in what the aerial record quietly confirmed: that the landscape here holds more history than its surface suggests.