Somewhere beneath a modern housing estate on the outskirts of Maynooth lies a circular feature that was once legible only from the air, and is now barely legible at all. A 1970 aerial photograph, taken as part of the Cambridge University Collection of Aerial Photography, captured it as a clearly defined cropmark, the kind of faint discolouration in growing crops that betrays buried archaeology below. What it showed was a ring-ditch, essentially a circular fosse or ditch, enclosing an area estimated at roughly ten metres in diameter. Ring-ditches of this type are generally understood as the remnants of prehistoric funerary or ritual monuments, the eroded traces of round barrows or similar earthworks whose above-ground presence has long since vanished.

The 1970 photograph suggested the site was not isolated. Immediately to the south, the same image apparently showed the cropmarks of an enclosure, a trackway, and a field system, hinting at a small pocket of ancient organised landscape that had survived, invisibly, into the late twentieth century. By 1985, none of it was detectable at ground level. A 2005 aerial photograph confirmed what had happened in the intervening decades: the area had been built over with modern housing, and whatever physical remains may have existed beneath the soil are now sealed under roads and foundations.