This impressive circular monument spans approximately 14 acres across its hilltop location, where two concentric rings of earth and stone banks once protected the settlement within. The inner enclosure, covering roughly 1.9 hectares, follows the natural contours of the hill as it slopes gently westward towards the Fuarawn River valley below.

The defensive architecture tells a story of considerable engineering effort by its Iron Age builders. The inner bank, which varies between modest scarps and imposing ramparts up to 3.5 metres high, is separated from the outer defences by a remarkable 45-metre-wide space featuring a shallow ditch and flat platform, known as a berm. The outer bank itself remains substantial in places, averaging 4 metres wide and reaching heights of 4 metres on its exterior face, though quarrying and road construction have taken their toll on sections of the monument, particularly at the southeast and southwest where the local rectory now stands.

Despite centuries of erosion and human interference, the hillfort retains much of its original form and has been recognised for its archaeological significance since it first appeared on Ordnance Survey maps as a curious arrangement of circular field boundaries. The site gained legal protection in 1976 under the National Monuments Acts, ensuring its preservation for future study. Recent inclusion in the Atlas of Hillforts of Britain and Ireland has placed Ballycurragh within the broader context of Iron Age society, when such hillforts served as centres of power, trade, and community across the Celtic world. Whilst no entrance features survive and the interior shows no visible surface remains, the sheer scale of the earthworks hints at the importance this location once held for the communities who laboured to build and maintain these formidable defences.