Set in level pasture in Glenquin, this ringfort, known in Irish as a rath, is one of thousands of such enclosures scattered across the country, most of them dating to the early medieval period, roughly between the fifth and twelfth centuries. A rath is a farmstead enclosure, typically circular, formed by piling up an earthen bank and digging a ditch, or fosse, around the outside. They were the everyday domestic sites of farming families, not military fortifications, and their survival in such numbers is largely a result of the deep-rooted Irish reluctance to disturb them, long associated in folklore with the otherworld and the fairy folk.

The details recorded here are modest but telling. The enclosure measures thirty-one metres in diameter, with an earthen bank that rises only about twenty centimetres above the interior ground level, though it stands closer to seventy centimetres when measured from the bottom of the external fosse outward. That fosse, the shallow ditch running around the outside of the bank, is roughly one and a half metres wide and about thirty centimetres deep, still legible in the ground despite whatever centuries of ploughing, grazing, and weather have passed over it. At the north-east, there is a gap of around nine metres in the bank, almost certainly the original entrance. North-east facing entrances are notably common in Irish ringforts, a pattern that has attracted various interpretations, from practical wind-shelter reasoning to associations with sunrise. The site was compiled by Denis Power and uploaded to the record in August 2011.

The interior is level and under rough pasture, which is about as unshowy as archaeological sites get. There are no upstanding stones, no interpretive panels, no car park. Finding it requires knowing where to look, and access depends entirely on the goodwill of whoever farms the land. The earthworks are subtle enough that a visitor walking across the field without prior knowledge might cross the fosse and bank without registering them as anything other than a slight unevenness in the ground. That subtlety is part of what makes it worth paying attention to: the difference between an ordinary field and an early medieval farmstead is, in places like this, less than a metre of height.