It is the kind of place that rewards attention precisely because so little of it survives above ground, and what does survive is quietly disappearing.

The site is a promontory fort, a form of coastal enclosure in which a naturally defended headland is sealed off by an earthwork or wall across its narrowest point, the neck, making the sea do most of the defensive work on the remaining sides. At Farranacoush, that barrier took the form of a curtain wall, with a fosse, or defensive ditch, cut just to the west of it. When the antiquarian T. J. Westropp visited in 1914 and recorded his observations, the fosse was already silted up, though its profile was still readable in section at either end of the neck. By the time the site was assessed more recently, even that had gone, obscured by overgrowth and worn away by erosion. The late medieval date suggests the fortification may have belonged to a period of intensified coastal activity along this stretch of west Cork, though no specific builders or occupants are recorded for this particular site.