The outline measures roughly 4.7 metres long by 4.4 metres wide, oriented northeast to southwest, and it takes a moment of looking before the shape resolves into something deliberate, the ghost of a structure rather than a random scatter of field clearance.

A cashel is a stone-walled ringfort, a type of enclosed settlement common throughout early medieval Ireland, typically associated with a single farming family or a small household. This particular cashel at Garraun contains what may be the remains of at least two house sites within its northern sector, the second lying only about four metres to the south of the first. The pairing is suggestive: two structures in close proximity, inside a defended enclosure, points toward domestic occupation of some kind, though precisely when the buildings were in use remains uncertain. The date is listed simply as indeterminate, which is an honest admission that the surface evidence alone cannot anchor the site to a particular century.