The structure forms an oval enclosure, measuring 24 metres from northwest to southeast and 21.5 metres from northeast to southwest. Its stone walls, though largely rebuilt over the centuries, still rise to an impressive 1.5 metres in height and vary between 1.5 and 3 metres in width; testimony to the substantial defensive structure this once was.

The most intriguing feature of this rath is its double wall system on the western side, where a second outer wall runs for approximately 40 metres, positioned between 2 and 5 metres outside the main enclosure. This additional fortification, about 1.5 metres wide, would have provided extra protection on the side facing the bay. A 1.2 metre wide entrance gap on the northeastern side has been blocked up in more recent times, though it once would have served as the main access point to the interior, which slopes gently from north to south.

This ringfort represents one of thousands of similar structures scattered across Ireland, dating primarily from the early medieval period (roughly 500 to 1200 CE). These circular or oval enclosures served as fortified farmsteads for prosperous families, combining domestic, agricultural and defensive functions in one complex. The site was documented as part of the comprehensive Archaeological Survey of County Donegal in 1983, contributing to our understanding of how people lived and defended themselves in medieval Ireland.