That alone would make it worth attention, but the detail that sharpens the picture is the entrance: a gap facing east, just four and a half metres wide, flanked on each side by a slight internal lip that rises to about sixty centimetres, as though the ground itself is quietly bracing the threshold.

This is a rath, the Irish term for a ringfort, the most common type of early medieval settlement monument in Ireland. Built and occupied broadly between the sixth and tenth centuries, raths were typically the enclosed farmsteads of a single family or small community, their raised earthen banks and surrounding ditches offering a degree of protection for people, livestock, and stored goods. Here, the external fosse, a ditch running from the south-east around to the south-west and reaching about a metre in depth, would have reinforced that boundary on the more exposed southern arc. The west-facing slope on which the platform sits would have offered both a degree of natural drainage and a commanding view across the land below. Beneath the interior, a souterrain adds another layer of complexity. These are hand-built underground passages or chambers, constructed from stone and earth, that were used in early medieval Ireland for storage, refuge, or possibly as dairy cool-stores. Their presence beneath a rath is not uncommon, but it does suggest a settlement of some investment and permanence, a place where the occupants were planning to stay.