What survives here is a ditch barrow, a type of prehistoric funerary monument defined not by a mound rising above the landscape but by a circular fosse, or ditch, cut around a flat central area. The entire structure measures just over four and a half metres across, and the ditch itself is now only five centimetres deep, worn almost to nothing by centuries of agricultural activity. The interior sits at the same level as the surrounding ground, meaning there is no obvious rise or hollow to catch the eye. It is, in the most literal sense, a monument defined by near-absence.

The site was identified during fieldwork in 2008 and confirmed through an aerial photograph, the kind of oblique or vertical image that can reveal crop and soil marks invisible at ground level. Ditch barrows belong to a broader family of ring monuments associated with burial and ritual in prehistoric Ireland, where the enclosing ditch, rather than any upstanding bank or cairn, was the primary architectural gesture. At Mooresfort, even that gesture has been reduced by time and farming to the faintest of traces, a fosse just 1.8 metres wide and barely a thumb's depth below the surrounding pasture. What was once a deliberate and presumably meaningful circular boundary is now legible only through careful measurement and the technology of aerial survey.