A cashel is a ringfort built from stone rather than earthen banks and ditches, and this example is a compact one: the circular interior measures only around seven metres across, enclosed by a drystone wall roughly a metre and a half wide and still standing to about eighty centimetres on the inside face. That the wall survives at all, constructed from large blocks of irregular rubble with a rough facing inside and out, is a quiet testimony to how well dry-laid stonework weathers the centuries when left undisturbed.

The entrance, a deliberate gap of just over a metre wide, opens to the north, which is a reasonably common orientation for cashel doorways. A relic field wall runs from the south-west to link up with the enclosure itself, aligned roughly WSW to ENE, suggesting that this was once the centre of a small working landscape rather than an isolated structure. Perhaps the most intriguing detail lies inside, where the vegetation has been left to take hold: a bullaun stone is thought to be concealed somewhere within the overgrown interior. Bullauns are stones, sometimes boulders, sometimes worked slabs, that bear one or more circular depressions ground into their surface. Their precise function is debated, but they appear at early Christian sites, at holy wells, and associated with ringforts across Ireland, carrying a ritual or symbolic significance that scholars have not fully unpicked. Finding one tucked inside a small cashel in County Sligo adds a layer of ambiguity to what might otherwise seem a straightforward enclosure.