This is a cashel, the stone-built variant of a ringfort, the type of enclosed farmstead that was the dominant settlement form in early medieval Ireland, roughly from the fifth to the twelfth centuries. Where earthen ringforts were thrown up with banks and ditches, a cashel was built with dry-stone walling, and the wall here, three metres thick at its base and standing to 2.1 metres along the stretch from the south-east round to the north-north-east, gives a reasonable sense of how formidable these enclosures once were.

The wall has not survived uniformly. Along other sections it has collapsed, leaving rubble piled against both inner and outer faces to a height of around 0.6 metres. Where it still stands, a slight batter, meaning an outward lean on the external face, helps shed water and adds structural stability, a standard feature of dry-stone construction. On the inside, a narrow ledge, about forty centimetres wide and set roughly half a metre above ground level, runs along the surviving face; this kind of internal ledge is sometimes interpreted as a standing platform or as a support for timber lean-to structures built against the wall. The eastern part of the interior is boggy, and in the north-east quadrant there is what appears to be a souterrain, an underground stone-lined passage or chamber typically associated with early medieval ringforts and used variously for storage or concealment.

The site sits in ordinary pasture, which is part of what makes it easy to overlook and part of what makes it worth seeking out. The wall's surviving stretch gives a genuine impression of the original mass of the structure, and the fallen stones elsewhere allow a visitor to read the collapse in real time, so to speak. The boggy interior to the east is worth noting underfoot, particularly after wet weather.