Its banks and drains are still measurable, its outline still legible on maps made nearly two centuries apart, yet nobody locally calls it a rath, and it carries none of the folklore weight that usually clings to earthworks in the Irish countryside. It is, in all likelihood, the remains of a copse, a small planted wood, and that very ordinariness is what makes it worth a second look.

The Ordnance Survey six-inch maps of 1839 and 1925 both record the feature as a wooded enclosure, the earlier edition showing it running roughly 100 metres northwest to southeast and about 70 metres northeast to southwest. By 1925 those dimensions had contracted somewhat, to around 80 metres north to south and 50 metres east to west, and the ground today reflects something in between: an oval area approximately 83 metres by 50 metres. Along the eastern side, an earthen bank roughly 2.4 metres wide still stands close to 1.9 metres high on its outer face, accompanied by a drain nearly 1.3 metres deep. The western edge is lower and softer, defined by a bank, a hedge, and a further outer drain. Sections of the perimeter on the northwest to northeast arc and on the southeast to southwest arc have been removed altogether, so the enclosure is no longer continuous. A small east-west stream runs about 50 metres to the north, which may partly explain why the slope here was considered worth planting in the first place.

What survives is not dramatic, but it is specific. The earthworks are substantial enough to trace on foot, and the contrast between the more imposing eastern bank and the diminished western one gives a sense of how agricultural clearance has worked unevenly around the site over the decades since the 1925 survey. For anyone interested in the ordinary infrastructure of estate or farm landscapes, the kind of feature that appears on maps without ceremony and disappears from memory just as quietly, this enclosure in Cullenstown offers a small, grounded example.