This one sits at the top of a west-facing slope at Carrownageeragh, straddling the break of the hillside, with a stream running along the base of the slope some two hundred metres to the west. That positioning is typical: ringfort builders favoured elevated ground with water nearby, combining natural drainage with a degree of visibility over the surrounding land.

The enclosure is roughly circular, measuring approximately thirty-eight metres on its longer axis, and its most impressive surviving feature is an earthen scarp that reaches 3.4 metres in height along its better-preserved arc, running from the south-southwest around through north to the north-northeast. Remnants of stone walling sit along the top of this bank, though these are thought to be the remains of a later field wall rather than original construction. Beyond the main scarp, on the outer side, lies a broad fosse, essentially a ditch and terrace roughly five and a half metres wide, with its own external bank of earth and stone rising to about a metre. This layered arrangement, inner bank, ditch, outer bank, is the classic defensive and enclosing logic of the rath. The eastern portion of the ringfort has fared less well: the scarp fades out and is entirely levelled on that side, flush with the surrounding field surface. The outer bank, meanwhile, has been absorbed into the working farm, serving as a field fence and carrying a post-and-wire fence along its top, with hazel and thorn bushes growing along much of its length and a farm track skirting the northern edge.