The earthwork in Grange, in the barony of Coshlea, is modest in scale, roughly twenty metres in diameter, yet its shape, a raised platform defined by a scarp and an outer fosse, or ditch, gives it away as something deliberately made rather than a trick of the terrain. What is unusual here is not grandeur but persistence: the form has survived long enough to be recorded, reinterpreted, and quietly observed from above by satellite.

The site appears on the 1897 edition of the Ordnance Survey Ireland twenty-five inch map, already depicted as a raised circular area, which means it was recognisable as a distinct feature at least by the late nineteenth century. A scarp is essentially a steep face of earth, and when paired with a fosse it suggests the original construction involved both piling material inward and cutting or digging outward, a form associated broadly with enclosures of early medieval Ireland, though the notes do not specify a period or function for this particular monument. A related enclosure lies approximately two hundred metres to the north-east, raising the possibility that the two features were once part of a broader organised landscape rather than isolated accidents of topography. By the time Martin Fitzpatrick compiled the record in July 2021, a Google Earth image from September 2019 confirmed the earthwork still visible as a roughly circular shape in the western corner of its field, despite being truncated at the northern end by a field boundary running north-east to south-west, and intersected at the south by the watercourse itself.

Access to the site is across private farmland, and the usual courtesies of seeking permission from the landowner apply. The earthwork sits immediately east of the watercourse that partly defines and partly disrupts it, so the ground in the vicinity is likely to be soft, particularly after wet weather. Because the monument is low-lying and set within working pasture, it reads best either in low winter light, when shadows sharpen earthwork profiles, or from above using the satellite imagery that first confirmed its survival. There are no visitor facilities, no signage, and nothing to announce the site along any approach road; it is the kind of place that rewards those already looking for it.