A ringfort in the undulating grassland of north County Galway carries the designation "Children's Fort", and the explanation, when it comes, opens onto a layer of folklore rather than closing anything down. The name does not describe the fort itself but refers to a cillin, a term for an unconsecrated burial ground, located roughly eight metres to the southwest. Cillíní were used across Ireland for the burial of unbaptised infants, who, under older Catholic doctrine, could not be interred in consecrated ground. Their presence beside or within ancient earthworks was common, perhaps because such liminal, pre-Christian places already existed outside the settled, sanctified landscape.

The fort itself sits on a ridge and measures approximately 36 metres in diameter. It is defined by two earthen banks with a fosse, or ditch, running between them, a double-banked arrangement that would have made it a reasonably substantial enclosure in its time. The outer bank is revetted with stone, meaning it was faced with masonry to hold the earthwork's shape, and this revetment survives best at the north-eastern arc. An entrance gap roughly two metres wide opens on the eastern side, which was a conventional orientation for ringforts, likely chosen for reasons of light and convention rather than defence. Towards the centre of the interior sits what is believed to be a souterrain, an underground stone-lined passage or chamber, typically associated with early medieval settlement and used variously for storage, refuge, or both. The whole structure is described as overgrown but in fair condition.

What makes this site quietly absorbing is the way two different traditions of the excluded have ended up in close proximity. The ringfort, probably early medieval in origin, and the children's burial ground nearby together occupy a space that was, for very different reasons, held apart from the ordinary rhythms of the living community. One was a working farmstead of its era; the other became a repository for those the Church could not formally receive.