Ringforts, known in Irish as raths, were enclosed farmsteads typically built during the early medieval period, defined by one or more circular earthen banks and ditches. This one measured roughly thirty metres in diameter, a modest but not unusual size, and it survived long enough to be recorded on the Ordnance Survey six-inch map of 1842, where it appears as a hachured circular enclosure. On later editions of the same map series it had been reduced to a simple circular field boundary, the original earthwork detail already fading from the landscape and from official record alike.

According to local information, what remained was levelled sometime around the 1960s, a fate that befell a considerable number of Irish ringforts during the mid-twentieth century, when land improvement schemes and the reorganisation of agricultural pasture made ancient earthworks seem more like obstacles than heritage. The site now lies in pasture with no visible surface trace. What makes Ballinreeshig quietly notable is precisely this completeness of its erasure: the cartographic sequence from 1842 onward traces the slow flattening of a structure that had likely stood for over a thousand years, until machinery finished in a few hours what centuries of weather had not managed to do.