Two low earthen banks, the shallow trenches of their accompanying ditches still faintly legible in the ground, and a central causeway between them: these are the remains, such as they are, of what may once have been a promontory fort, a form of coastal enclosure in which natural cliff edges and sea-facing drops did most of the defensive work, leaving only the landward approach to be fortified with earthworks.

The site carries the name Dún Na Manach, and as of a 2002 survey by Casey, it was already described cautiously, as a possible rather than confirmed fort. The qualification matters. What survives is slight, the banks low and the ditches much reduced, and most of whatever once occupied the interior has gone entirely. This kind of coastal promontory fort is found at intervals along the Irish Atlantic seaboard, typically associated with the Iron Age, though many remain undated. The name Dún, meaning fort or enclosure in Irish, suggests the site carried that identity in local memory long before archaeologists arrived to assess what remained of it. The Na Manach element, meaning of the monks, hints at a later ecclesiastical association, though nothing in the surviving physical record confirms that layer of use.

What the site offers now is less a monument than a trace, the kind of place where knowing what to look for matters more than what immediately presents itself to the eye.