This is a rath, the most common type of early medieval enclosure found across Ireland, typically built between the sixth and tenth centuries as a defended farmstead for a single family and their livestock. The bank here stands 1.7 metres high and encloses a near-perfect circle, measuring 28.2 metres north to south and 28.1 metres east to west.

The structure preserves several features that give a sense of how it once worked. To the north-east, a fosse is still legible in the landscape, though it has long since silted up and become waterlogged, a fate common to the external ditches that originally accompanied such banks. A gap 1.4 metres wide to the north-north-east is likely the original entrance point, the narrow opening designed to control movement in and out of the enclosure. The western side of the bank has taken on a secondary role over the centuries, with field clearance material dumped against it, the stones and debris of generations of farming gradually blurring the boundary between monument and working landscape. Cattle have added their own mark, breaking through the bank at numerous points.