At Cahernarry in County Limerick, the 1924 Ordnance Survey six-inch map marks a hachured oval feature on a height above rolling pasture, annotated with the word "obelisk". Hachuring, the short lines used by cartographers to suggest raised or mounded ground, indicates that whatever stood here had enough physical presence to be recorded with care. The oval dimensions were substantial: approximately forty metres along its northwest to southeast axis and thirty metres across. Something was here. It is not here any longer.

What exactly the surveyors were recording remains open to question. The term "obelisk" on an early twentieth-century Ordnance Survey map could refer to a standing stone, a commemorative pillar, or even a survey marker, but the hachured oval surrounding it suggests an earthen or stone cairn beneath or around it, the kind of prehistoric burial mound that dots the Irish landscape in various states of survival. Cairns, typically mounds of heaped stone covering a burial chamber or cist, were constructed throughout the Neolithic and Bronze Age periods and are found on elevated ground across Munster. Whatever the Cahernarry feature was, it sat on a commanding height, the sort of position favoured by those who built such monuments. The reason it no longer survives is more straightforward: the area was quarried out, and with it went any surface trace of the monument.

For a visitor, there is an honest reckoning to be made before making the trip. The site retains no visible remains whatsoever. The landscape around Cahernarry is pleasant enough, with the elevated ground offering views across the surrounding pasture, but there is nothing to see at the monument itself beyond the field. The value here is more archival than experiential: the 1924 OS six-inch map, available through the OSi historical mapping portal, shows the feature clearly and gives a sense of what the cartographers thought significant enough to record. Anyone with an interest in how landscapes are unmade as well as made, in what quarrying and land improvement have erased from the Irish countryside, will find the absence at Cahernarry as informative as many a better-preserved site.