At Craggs in County Limerick, the historical record points to a ringfort, known in Irish as a rath, that once occupied a circular area of roughly twenty metres in diameter. Ringforts were enclosed farmsteads, typically defined by one or more earthen banks and ditches, and they were built in their thousands across Ireland during the early medieval period. This one, however, is gone, and not in the gradual, mossy way that many such monuments disappear into farmland. It has been replaced by an industrial complex.

The evidence for the site's existence comes from the Ordnance Survey's six-inch map of 1841, one of the most detailed cartographic surveys of Ireland ever undertaken and still an invaluable resource for tracking what has been lost in the centuries since. On that map, the circular enclosure at Craggs was recorded clearly enough to be logged as a monument. When Denis Power inspected the site, the entry compiled in August 2011 records simply that no trace of the monument was evident. The industrial development had removed whatever earthworks or surface features remained.

For anyone curious enough to visit Craggs, there is nothing archaeological to see on the ground, and that is precisely the point worth sitting with. The site is of interest not as a place to explore but as a case study in how Ireland's ringfort landscape, once numbering in the tens of thousands of examples, continues to diminish. The 1841 OS map remains freely accessible online through the Irish Ordnance Survey's historical mapping tools, and comparing those sheets with the present satellite view of the Craggs area gives a sharper sense of the gap between what was recorded and what survives.