This oval fortification stretches approximately 45 metres north to south and 56.5 metres east to west, occupying nearly the entire width of the ridge top along an east;northeast to west;southwest alignment. The site’s defensive position would have offered commanding views across the surrounding landscape, making it an ideal location for an early settlement or defensive structure.

The enclosure’s boundaries tell a story of careful construction and adaptation to the natural terrain. Along its western and northern sides, a well;preserved fosse, or defensive ditch, runs between 1.8 and 4 metres wide, accompanied by remnants of an external bank that still stands up to 40 centimetres high in places. The enclosing scarp varies in height around the circuit, reaching up to 1.4 metres at the southeast and southwest sections where it merges seamlessly with the steep natural slope of the ridge. Here, the builders cleverly utilised the ridge’s natural defences, eliminating the need for the fosse and external bank that protect the more vulnerable approaches.

Today, the interior slopes gently southward, with faint traces of cultivation ridges running east;northeast to west;southwest, suggesting the site saw agricultural use in later periods. A gap in the southeast quadrant, measuring about 2 to 2.5 metres wide, likely marks the original entrance to the enclosure. While a modern tractor track now cuts through the centre from this ancient doorway to an eroded section in the western scarp, and rushes grow in the wetter sections of the fosse, the site remains remarkably intact; a tangible link to Donegal’s distant past, hiding in plain sight on its windswept ridge.