What remains is fragmentary: a rough subcircular outline, roughly 30 metres across on its widest axis, where a low earthen bank still traces an arc from the west-south-west around to the north-west, and elsewhere the boundary has collapsed into little more than a scarp, a slight step down in the ground where a more substantial edge once stood. Modern outbuildings have encroached across the northern and north-eastern side, and a field bank cuts straight through the interior, so the monument has been quietly dismantled by centuries of ordinary agricultural use.

Enclosures of this kind, broadly related to the ringfort tradition of early medieval Ireland, were typically circular or subcircular earthworks built to define a settlement or farmstead, sometimes also serving a ceremonial or stock-management function. They are common across the Irish landscape but rarely survive intact, and this example in Radullaan is more eroded than most. Its neighbour, a ringfort recorded roughly 200 metres to the south-east, suggests this corner of north Galway was meaningfully settled at some point in the early medieval period, the two monuments sitting in proximity in a way that implies a landscape organised by human activity rather than chance. Whether the enclosure predates, postdates, or was broadly contemporary with the nearby ringfort is not something the surviving physical evidence can easily answer.