At the western edge of a plateau in County Waterford, where the ground drops away into the narrow ravine of the Curraghteskin stream, there is an earthwork that has been quietly losing itself to quarrying. A ringfort, or rath, is a roughly circular enclosure defined by an earthen bank and ditch, built during the early medieval period as a farmstead or settlement for a single family and their livestock. The one at Graignagower was recorded on the 1840 edition of the Ordnance Survey six-inch map as a circular embanked enclosure with an external diameter of around 45 metres. What makes it quietly unsettling is what now occupies much of that space: a flat-bottomed quarry, roughly 35 metres across and about 2 metres deep, cut into the interior of the monument itself.

By the time the OS surveyors passed through in the 1830s, the ringfort was already old enough to be treated as landscape furniture rather than a living structure, and the quarrying that followed illustrates a pattern common across Ireland, where earthworks were mined for stone or gravel long before their archaeological significance was widely appreciated. The plateau setting would have made the site a practical choice for early medieval occupation, with the ravine of the Curraghteskin stream providing both a natural boundary and a water source to the south and north. A second rath survives approximately 120 metres to the east, and the proximity of the two enclosures suggests this was once a more densely occupied agricultural landscape than the empty plateau now implies.