This is a rath, the Irish term for a ringfort, the kind of enclosed farmstead that was the standard unit of rural settlement across Ireland from roughly the early medieval period onward. Most were home to a single farming family, their livestock, and their stores, protected by an earthen bank and a fosse, the encircling ditch from which the bank material was dug. Here, that fosse is still legible along the south-eastern arc of the site, from ESE to SSE, even as the rest of the perimeter has been gradually levelled.

The Ordnance Survey was recording this feature as far back as its 1836 edition, with the label simply reading 'Fort', a term the surveyors applied broadly to earthworks of this kind. The same notation appeared again on the 1876 edition, confirming the site had not yet been significantly disturbed by that point. The interior measures approximately 43.6 metres in diameter, a reasonable size for a rath of this type, and the raised ground within is still clearly distinguishable from the surrounding terrain. What cannot be identified any longer is the original entrance, and the interior itself has been considerably disturbed over time, whether by cultivation, drainage works, or the gradual pressure of agricultural activity across successive generations.

The surviving arc of bank and fosse along the south-eastern edge offers the clearest sense of the original structure. Walking the perimeter, the contrast between that relatively intact stretch and the levelled ground sweeping from south-south-west around through north to east-south-east gives a quiet lesson in how these features disappear, not all at once, but incrementally, a little more with each passing decade.