The example at Ballybeg in County Limerick is unassuming by any measure, a modest earthwork sitting in improved pasture on a north-east-facing slope, but it carries the particular quiet strangeness that comes from something very old being quietly absorbed into the working landscape around it. The fosse, the external ditch that once helped define and defend the enclosure, has been recut at some point to serve as an ordinary field drain, and modern field boundaries press up against the earthwork at the north-east and south-south-east. The monument has been tidied into the farm rather than fenced off from it.

A ringfort, sometimes called a rath when built primarily in earth, was the standard enclosed settlement of early medieval Ireland, typically dating from roughly the fifth to the twelfth century. Families of some local standing would have lived within such enclosures, which combined domestic function with a degree of security. The Ballybeg example is roughly circular, measuring twenty-four metres north to south and twenty metres east to west. Its defining features are a scarped inner edge, essentially a cut slope, about four and a half metres wide and less than a metre high, with an earthen bank sitting at its foot. That bank stands only about twenty-five centimetres above the interior ground level but rises to one point two metres on the outside, and beyond it lies the fosse, nearly four and a half metres wide and a metre deep. The present entrance, six metres across, faces towards the south-south-west to south-west. The site was recorded by Denis Power and uploaded to the national record in December 2013.

The interior is grass-covered and slopes gently downward to the west, giving it a slightly bowl-like quality when you stand inside. The bank itself is now colonised by trees and scrub, which both obscures the earthwork's profile and, in a useful way, marks it out clearly against the surrounding pasture. Visitors approaching across the field can read the enclosure partly by the tree line before the earthworks themselves become legible underfoot. The surrounding farmland is in active use, so access would require the usual courtesies extended to working agricultural land.