It is not a ruin in any obvious sense, more a slow mounding of the ground, a thickening of the earth that resolves, on closer inspection, into the remains of a carefully engineered enclosure roughly 40 metres across at its longest.

The structure is defined by an earthen bank and an external fosse, the term for a ditch dug to reinforce and demarcate an enclosure, with the spoil typically used to build up the bank behind it. On the southern and eastern sides, where the bank faces uphill, it is at its most legible: around six metres wide and standing two metres above the outer ground level, with the fosse beside it still clearly defined, tapering from a wide open top to a narrower base about 1.4 metres deep. On the northern and western arc, by contrast, the bank is reduced to little more than a scarp, a low shelf of earth, and the fosse dissolves into a natural stream. A four-metre-wide entrance with a causeway survives at the south. About 260 metres to the east, and roughly 50 metres higher up the same hillside, sits a separate rath, the more familiar type of circular earthen enclosure associated with early medieval farming settlements in Ireland. The proximity of the two features raises questions that the landscape itself does not answer: whether they were contemporary, related in function, or simply neighbours across centuries.

The asymmetry of the bank, robust and deliberately built on the exposed uphill side, reduced to almost nothing on the sheltered lower arc, suggests a structure designed to respond to its specific topography rather than follow a standard template. That the fosse merges with a stream to the north adds another layer of practical logic, the natural drainage of the hillside conscripted, intentionally or otherwise, into the enclosure's design.