The rath at Ballycunningham in County Cork has been almost entirely levelled, yet it has been faithfully recorded on Ordnance Survey maps across three successive surveys, in 1842, 1903, and 1938, each time as a hachured circular enclosure of roughly 25 metres in diameter. That cartographic persistence is itself a small piece of evidence: whatever was visible to nineteenth and early twentieth-century surveyors gradually disappeared, but not before it was committed to paper again and again.

Raths, the earthen ringforts built predominantly between the fifth and tenth centuries as enclosed farmsteads, were once among the most common field monuments in Ireland, numbering in the tens of thousands. This one in Ballycunningham has fared less well than many. Writing in 1939, the archaeologist P.J. Hartnett noted that around half of the original rampart still survived to the east, presenting as a low bank thick with furze scrub, while the western and northern sides were already defined only by a modern field fence. By the time more recent assessments were made, even that eastern remnant had been reduced to a barely perceptible rise of around 0.2 metres. The northern field fence may still follow the original line of the bank for a short stretch, though the boundary between old earthwork and agricultural convenience is now almost impossible to read on the ground.