It measures roughly 16 metres east to west and 15 metres north to south, defined by a low scarp of earth and stone that still stands around 45 centimetres high and a little over a metre wide. In places, stone facing survives on the exterior of that scarp, suggesting that what now reads as a grassy bank was once a more deliberately constructed boundary, edged with laid or stacked stone.

Running alongside the scarp are the remains of a fosse, the term used for a ditch dug as part of a defensive or enclosing boundary, typically accompanying a raised bank. Here the fosse survives to only about 10 centimetres in depth, though its overall width reaches nearly 5 metres, with a narrower base of just under 2 metres. The shallow depth is almost certainly the result of centuries of silting, ploughing pressure, and the general flattening that comes with agricultural improvement over the long term. The interior of the enclosure slopes gently toward the north-north-east. Enclosures of this circular form are scattered across the Irish landscape and are often associated with early medieval settlement, though without excavation it is impossible to say with certainty what purpose this particular example served or when it was built. It appears on the Ordnance Survey six-inch map as a circular feature of approximately 15 metres in diameter, which suggests it was sufficiently visible to catch a surveyor's eye even as the surrounding land was being brought into more intensive use.