It is, in fact, a rath, the Irish term for a ringfort, the most common monument type surviving in the Irish countryside. These were the enclosed farmsteads of early medieval Ireland, typically dating from roughly the sixth to the twelfth century, built by farming families who raised a bank of earth around their homestead for both status and security. What makes this particular example quietly interesting is precisely its modesty: the bank rises only about twenty-five centimetres on its interior face and sixty centimetres on the exterior, enclosing a circular area of twenty-nine metres in diameter, with an external fosse, or ditch, about two and a half metres wide and forty centimetres deep running around the outside.

The survey data was compiled by Denis Power and uploaded in August 2011, forming part of the broader archaeological record for County Limerick. The measurements recorded are small by the standards of high-status raths, which could feature multiple banks and ditches and were sometimes associated with local chieftains. This one, with its single modest bank and shallow fosse, points more towards the everyday end of the spectrum, the kind of enclosed farmstead that once dotted every parish in Ireland by the thousands. A break of nearly four metres in the bank on the north-east side marks what would have been the original entrance, a detail that survives clearly enough to be measured even now.

The interior is level, as the notes record, partly covered in overgrowth and partly still under pasture, which means the surrounding farmland has continued to be worked while the monument itself has been left largely undisturbed. Ringforts in active farm fields can be surprisingly easy to overlook until you are standing on the bank itself and the geometry of the enclosure suddenly becomes apparent underfoot. The north-east entrance gap is the clearest single feature to look for. The site sits in level ground rather than on any commanding elevation, so there are no dramatic sightlines to help orient a visitor; attention to the subtle rise and fall of the earthwork is what reveals it.