At Gurteen in County Cork, a ringfort that stood for perhaps a thousand years or more was levelled around 1983, leaving behind little more than a scatter of stone across a pasture field on an east-facing slope. The enclosure itself is gone, but its memory persists in an 1842 Ordnance Survey six-inch map, where it appears as a neat circular form roughly thirty metres across.

Ringforts, known in Irish as raths, were the most common form of rural settlement in early medieval Ireland, typically consisting of a circular area enclosed by one or more earthen banks and ditches. They were domestic spaces, the farmsteads of farmers and minor lords, and they appear in their thousands across the Irish countryside. Most were built and occupied between roughly the sixth and tenth centuries, though many remained in use or were repurposed long after. The one at Gurteen would have been a modest example, its thirty-metre diameter placing it firmly within the ordinary range. What makes it notable now is simply its absence. The 1842 map captures it intact; by the early 1980s, it was gone, the banks pushed flat and the interior absorbed into the surrounding agricultural land. That kind of loss was not unusual during the twentieth century, when land reclamation and drainage schemes removed countless such monuments with little or no record beyond what the older maps already showed.