No canopy overhead, no trunks in a row, no dip or bank in the turf to betray it. The trees are simply gone, and what remains is the faint biological memory they left in the soil beneath the grass.

The ring was recorded on the 1946 to 1947 revision of the six-inch Ordnance Survey map, drawn there as a deliberate oval feature measuring roughly 63 metres northeast to southwest and 46 metres northwest to southeast. It belonged to the designed landscape of Jenkinstown House, the kind of ornamental arrangement that estate owners of earlier centuries used to impose geometry and theatre on their parkland. Circular or oval tree plantings of this kind were a common enough feature of Irish demesnes, functioning as eye-catchers, shelter belts, or simply expressions of fashionable landscape taste. By the time aerial photographers from the Cambridge University Collection of Aerial Photographs flew over the site on 10 July 1973, the trees themselves had gone, but their root disturbance had altered the soil enough to produce a cropmark, a difference in how the grass or crop above grew, which showed up clearly from altitude on photographs catalogued as CUCAP BOD016 and BOD017. At ground level, there is nothing to see at all.