This is a rath, the most common type of early medieval enclosure in Ireland, typically constructed between roughly the fifth and twelfth centuries to define a farmstead and signal the status of the family within. What survives at Rathfarra is a sub-circular enclosure measuring approximately 20 metres north to south and just over 24 metres east to west, its bank still standing to an internal height of just over a metre and rising to around two and a half metres on the outside. That asymmetry is deliberate: the outer face was built up to present an imposing profile to the world beyond the settlement.

The enclosure follows a pattern well recognised across Munster. An earth-and-stone bank forms the primary boundary, reinforced on the outer side by a fosse, which is a shallow defensive ditch, running in an arc from the west-southwest around to the north and then northeast. Beyond that ditch sits a counterscarp bank, a low secondary ridge of upcast material. Together these features would have made the perimeter visually prominent and practically awkward to cross. The entrance, at just under three and a half metres wide, faces east, a common orientation in Irish ringforts that may reflect social convention as much as any defensive logic. The notes compiled by Denis Power record that the bank is best preserved along the southwestern to northeastern arc, while the southeastern to southwestern stretch is heavily masked by overgrowth, and the outer face in that same sector has been partially quarried away at some point, likely for building stone.

The site sits in pasture, so the interior is under grass and grazed flat, though the ground rises gently toward the edges where it meets the enclosing bank. Visitors should expect a working agricultural setting rather than a managed heritage site, which means livestock may be present and the vegetation along the more overgrown arc can obscure the fosse and counterscarp almost entirely depending on the season. The eastern entrance is the clearest feature at ground level, and walking the outer perimeter gives the best sense of the original height differential between inside and outside. Late winter or early spring, before growth thickens, offers the most readable view of the earthworks.