In Moskeagh, Co. Cork, a low grass-covered rise sits in gently undulating pasture, its oval footprint measuring roughly 33 metres north to south and 25 metres east to west. Locals call it the fairy fort, as they call many such earthworks across Ireland, invoking the popular belief that these ancient enclosures belong to the otherworld and are best left undisturbed. The field around it, though, carries the older and more ambiguous name: the Kill field. In Irish placename tradition, "cill" most often denotes an early ecclesiastical site, a cell or small church, which sits in quiet tension with the fairy fort label next door.

The earthwork itself is a rath, the Irish term for a ringfort, a type of enclosed farmstead built and used across Ireland roughly between the early medieval period and the coming of the Normans, though some remained in use later. What survives at Moskeagh is subtle: a low bank of earth, and along the eastern and western sides, a shallow depression that appears to mark where a fosse once ran, a fosse being the external ditch that typically accompanied such a bank as part of the enclosure's defensive or boundary function. The site appears on a map of 1775, surveyed by B. Scalé, where it is labelled a "Danes Fort," a term commonly applied at that period to prehistoric or early medieval earthworks whose true origins were poorly understood and conveniently attributed to Viking or other foreign activity. That map is held in a private collection. A field boundary running roughly northeast to southwest curves as it approaches the rath from the south and southeast, bending around the earthwork rather than cutting through it, a small piece of agricultural deference that has preserved the site's outline into the present.