The ecclesiastical enclosure at Kilmalinoge measures roughly 180 metres in diameter, making it a substantial example of a feature common to early Irish Christianity: a roughly circular boundary, typically of earth or stone, that demarcated sacred ground from the surrounding landscape. What makes this one worth pausing over is the survival of not one but two concentric boundaries, an inner bank and an outer bank separated by an intervening fosse, a cut or ditch that would have reinforced the sense of passage between secular and sacred space.

The earthworks themselves are low and worn, as centuries of agricultural use would lead you to expect. The inner bank stands about a metre high on its exterior face, while the outer bank has been reduced to little more than a slight ridge in places. The fosse between them is roughly three metres wide and less than half a metre deep at best. Survival is uneven around the circuit: the inner bank fades toward the north-east and along a stretch to the west, while the outer bank and fosse are best preserved on the south-eastern and north-western arcs. Towards the north sector of the interior, a series of low banks may mark internal divisions, suggesting the enclosed area was not simply a passive boundary but an organised space, possibly with separate zones for different functions. A medieval church and graveyard sit just to the north-east of the enclosure's centre, anchoring the site within a tradition of Christian use that likely extended back to the early medieval period, when such enclosures were typically established around monastic or pastoral churches.