At Ballymacthomas in County Kerry, there survives, or rather once survived, an enclosure that has since been levelled, its form flattened to the point where little or nothing remains visible at the surface. Enclosures of this kind were once a fundamental unit of rural life in early medieval Ireland, typically circular or subcircular earthworks defined by a raised bank and ditch, serving as farmsteads or settlement boundaries. The fact that this one has been levelled places it in a category of site that is, in a quiet way, more archaeologically poignant than a well-preserved monument: it records not only what was built but what was subsequently lost.

Field inspection confirmed the levelled condition of the site. Beyond that, the details are sparse, which is itself informative. A levelled enclosure is, by definition, a site where later land use, whether agricultural improvement, drainage works, or simple clearance, proved more persistent than the original construction. In Kerry, where such enclosures were once numerous, many have disappeared in exactly this way, surviving only as cropmarks, soil anomalies, or entries in the archaeological record rather than as anything a walker might recognise underfoot.