This is a rath, the Irish term for a ringfort, a type of enclosed farmstead typically dating from the early medieval period, built using an earthen bank and an outer ditch, or fosse, to define a domestic and agricultural space. What makes this particular example quietly compelling is less its condition than its position: the hill commands a view over Lough Derravaragh, one of the long glacial lakes that define this part of the Irish midlands, and the site sits within a cluster of monuments that suggests this elevated ground was considered significant across very different periods.

The enclosure is oval in plan, roughly 27 metres across on its longer northwest to southeast axis. A slight external fosse remains visible along the southwestern to north-northeastern arc, and the bank survives best at the northeastern side, where it still reads as an upstanding feature rather than a faint earthwork. A possible entrance gap opens to the west, which was a common orientation for ringfort entrances. The interior rises gently toward its centre, a detail sometimes associated with drainage or with the placement of a structure. Within 120 metres to the east-southeast lies a second ringfort, and 115 metres to the north-northwest sits a Bronze Age burial mound, suggesting that this hilltop drew repeated attention long before the early medieval period. The tree plantation in which the rath now stands was already established by the time the first edition Ordnance Survey six-inch map was drawn in 1837, meaning the monument has been growing gradually more obscured for the better part of two centuries.