It is, in fact, a rath, the Irish term for a ringfort, which is a class of enclosed farmstead built predominantly during the early medieval period, roughly between the fifth and twelfth centuries. Thousands survive across Ireland, but each one carries its own particular arrangement of banks, ditches, and interior features, and this example has a few details worth pausing over.

The enclosure measures roughly 28 metres north to south and 23 metres east to west, making it a modest but clearly defined oval. The earthen bank, standing around two metres high on its southern approach, is stone-faced in parts, suggesting that at some point during its construction or use the builders reinforced sections of the earthwork with masonry rather than relying solely on compacted soil. An external fosse, the defensive ditch that would originally have run around the outside of the bank, has silted up over the centuries, reducing what was once a sharper defensive profile to a gentler, blurred contour. The most intriguing internal feature is a mound of earth and stone positioned against the northern bank, measuring eight metres long, six metres wide, and two metres high. Its function is not spelled out in surviving records, but interior mounds within ringforts can sometimes indicate a souterrain, an underground stone-lined passage used for storage or refuge, or the remnant of a collapsed structure. Without excavation, it remains an open question.