A rath, the Irish term for a ringfort, was typically a circular earthen bank enclosing a farmstead of the early medieval period, roughly 500 to 1000 AD, and this one was once considered remarkable even by the standards of its type. By the time local observers noted it in the 1840s, it was already being described as both "remarkably large" and "tilled", meaning the ground inside had been broken for cultivation, a process that tends to blur and level the defining earthworks over time.

The cartographic record traces a slow erasure. On the Ordnance Survey six-inch map of 1846, the site appears as a circular enclosure roughly 45 metres across. By the 1894 edition of the same map series, the shape had shifted to something more pear-shaped, measuring around 50 metres north to south and 50 metres east to west, with the western half already absorbed into the surrounding field boundary system. That absorption is significant: once a bank becomes a convenient field wall, it stops being read as archaeology and starts being read as farm infrastructure, and the original form quietly disappears. Today, the location survives as a level area on a south-west-facing slope, its former outline suggested by the field boundaries along the north and west, a break of slope tracing the southern arc, and a differential growth pattern, a subtle variation in vegetation density or colour visible in the grass, marking the eastern arc.

What makes the site quietly instructive is precisely this condition of near-invisibility. The rath was large enough in the 1840s to attract comment, and yet within a generation the Ordnance Survey was already recording its western half as ordinary field boundary. The differential growth pattern along the east arc, where buried structural material affects how plants root and grow, is now among the clearest evidence that anything unusual lies here at all.