There is no tower, no standing stone, no interpretive panel. What survives is a scarped edge, a deliberate cut into the earth that once defined the boundary of an early medieval farmstead, now worn by time, cattle, and the encroachment of field boundaries.

The site is a rath, the most common type of ringfort found across Ireland, typically dating from the early medieval period, roughly 500 to 1000 AD, and built as a defended enclosure for a farming family and their livestock. Where a full ringfort would usually present a raised earthen bank with an outer ditch, what remains at Cloncrew is a scarped edge, essentially the inner face of such an earthwork, standing about 1.7 metres high and half a metre wide at its surviving sections. The field boundary that cuts across the north-east to south-east arc has truncated the base of the scarp, and the north, north-west, and south-east sections have been worn through by generations of cattle using the same paths. The interior, once the protected yard of whoever farmed here over a thousand years ago, is level ground under pasture, though heavily churned by hooves. The record was compiled by Denis Power and uploaded in August 2011.

The site sits close to the eastern bank of the River Deel, in level pasture that offers no dramatic elevation or obvious landmark to guide you in. The surviving scarp is largely buried under dense overgrowth, so what you are actually looking for is a gentle change in ground level rather than anything that reads clearly as a structure from a distance. Visiting in late winter or early spring, before vegetation thickens, gives the best chance of reading the shape of the earthwork. As with most unenclosed agricultural land, access depends on the goodwill of the landowner.