The one at Lisgub, in County Galway, makes no such display. It sits in level grassland, its circular form barely legible, the low bank and external fosse that once defined it worn down to the point where a casual eye could walk straight past without registering anything at all.

What remains is a circular rath roughly 33 metres in diameter. A rath is the most common form of early medieval enclosure in Ireland, typically a raised earthen bank surrounding a domestic farmstead, with a ditch or fosse dug on the outside to provide both the material for the bank and a degree of physical boundary. At Lisgub, that fosse survives in places, but a field wall has been laid directly over it to the north-east, and a second wall cuts across the bank itself at both the north-east and south-west. To the north and north-north-east, the enclosing element is not a proper bank at all but a scarp, a natural or cut slope in the ground, suggesting either that the original construction was uneven or that erosion and agricultural use have removed whatever earthwork once stood there. The result is a monument that is more absence than presence, its shape emerging only if you already know what you are looking for.

The place-name Lisgub contains the Irish word lios, one of several terms used for ringfort sites, which points to a long local awareness of the enclosure even as the physical remains faded. The townland name preserved the memory of a settlement that the landscape itself has almost forgotten.