A field boundary runs straight through the middle of this early medieval enclosure on a gentle north-facing slope in Clondonnell, County Waterford, bisecting what was once a coherent, self-contained space. That a later field bank now cuts across the monument is a quietly telling detail: centuries of agricultural reorganisation have left their mark on a structure that was itself, in its original form, a careful piece of planning.

The monument is a rath, the Irish term for a ringfort, which was typically the enclosed homestead of a farming family during the early medieval period, roughly the fifth to twelfth centuries. Thousands survive across Ireland in varying states of preservation. This one is oval in plan, measuring approximately 47 metres east to west and 35.5 metres north to south, and is defined by an earth and stone bank rather than the more dramatic earthwork profiles found at better-preserved examples. The bank ranges from three to five metres wide, and its internal height varies considerably, from just 0.1 metres on the downslope north-east side to 1.1 metres at the south, reflecting both the natural gradient of the ground and the uneven survival of the material. There is no visible fosse, the external ditch that commonly accompanies such banks and that would have added to the enclosure's defensive or symbolic presence. What survives instead are two stone-lined entrances, one at the south-east, narrowing to 1.8 metres, and a wider one at the north-east at 3.15 metres, the latter perhaps the main access point given its more generous width.