On top of a ridge in County Cork, an enclosure once sat, roughly oval in plan and measuring around 35 metres across its longest axis. It has been entirely levelled, with no visible surface trace remaining, yet it persisted long enough in the documentary record to be mapped three times across nearly a century of Ordnance Survey work.

The 1842 six-inch OS map recorded the enclosure as an oval feature, oriented roughly northeast to southwest. By the time the 1904 and 1936 editions were produced, something had already changed: the western portion had been cut away by a field fence running northwest to southeast, leaving only a semicircular remnant on paper. Enclosures of this type, usually circular or oval earthworks defined by a bank and ditch, are among the most common prehistoric and early medieval monument forms in Ireland, often associated with settlement or stock management, though without excavation it is rarely possible to say much more than that. What the sequence of maps shows here is a slow erasure, agricultural reorganisation gradually consuming what had survived for centuries, until eventually nothing remained above ground at all. A second, circular enclosure sits around 120 metres to the northeast, and its presence suggests this part of the ridge may once have held more than a single structure.