In a field in Friarstown North, County Limerick, a ringfort, or rath, has been so thoroughly collapsed that its outline survives today only as a faint trace on aerial photography. Ringforts are circular enclosures, typically of early medieval date, that served as farmsteads for individual families and are among the most common archaeological monument types in Ireland. This one, however, has fared worse than most.

When the archaeologist O'Kelly recorded the site in 1942 to 1943, there was still enough to read on the ground. The enclosure appeared to have consisted of an earthen bank, possibly stone-faced at one time, surrounded by a fosse, the term for a defensive ditch dug around the perimeter. The overall diameter was recorded at around 212 feet, or roughly 65 metres, making it a reasonably substantial example. The entrance was on the east side, a common orientation for ringforts, and a causeway had been built across the fosse to allow access. What makes this site particularly interesting is the small rectangular enclosure recorded immediately south of the entrance, built against the outer face of the rampart and measuring approximately 65 by 50 feet. Its function was not identified, and its walls were already very badly collapsed at the time of recording. Annexes of this kind are occasionally found attached to ringforts and may have served as stock enclosures or working areas, though the specifics here remain uncertain.

By the time Caimin O'Brien compiled the record for upload in March 2020, even that reduced evidence had largely vanished, with only a possible faint outline detectable on Digital Globe aerial imagery. A visitor to this field today is unlikely to see anything clearly with the naked eye, particularly in summer when vegetation is high. The site rewards those who arrive with the aerial photograph in hand and an eye for slight variations in ground level or crop growth. Early morning light in late autumn or winter, when shadows are long and vegetation is low, gives the best chance of picking out any residual earthwork. The interest here is less about what you can see and more about the act of looking for something that has almost entirely returned to the land.