This is a cashel, the term used in Irish archaeology for a ringfort built from stone rather than earth and timber. Ringforts were the dominant form of rural settlement in early medieval Ireland, typically dating from roughly the sixth to the tenth century, and many thousands survive across the country in varying states of repair. This one measures approximately 29 metres north to south and 30.5 metres east to west, making it a fairly typical example in terms of scale.

The wall, around 0.8 metres thick, tells a quietly complicated story. It has collapsed along the eastern side and been rebuilt to the north-west at some point, suggesting the site has seen intermittent attention over the centuries, whether from farmers seeking to reuse the stone or from later efforts to consolidate what remained. There are gaps in the wall to the south-east and south, and a more recent opening to the north-west, the widest of the three at 4.5 metres, possibly made for livestock access. Perhaps the most intriguing feature is the souterrain recorded in the interior. A souterrain is an underground stone-lined passage or chamber, usually associated with ringforts and thought to have served for storage, refuge, or both. Their construction required considerable effort, which underlines that whoever occupied this enclosure was not simply throwing up a temporary shelter but investing in a more permanent and defended domestic arrangement.