On the summit of a ridge in grassland at Knockaunnagat in County Galway, there sits a rath, the Irish term for a roughly circular or oval earthen ringfort, that time and infrastructure have treated with considerable indifference.

The monument is oval in plan, measuring approximately 38 metres on its northeast to southwest axis and 34 metres across. What remains of its original form includes a scarp, an intervening fosse (a shallow ditch dug as part of the enclosure's defensive or boundary arrangement), and an outer bank. These elements are poorly preserved throughout, and to the northeast of where the road cuts through, no visible surface trace of the enclosing features survives at all. The site was noted by Neary in 1914, catalogued as number 141 in that record, which places it within a long tradition of attempts to map and account for the thousands of similar earthworks scattered across the Irish landscape. Raths were typically built during the early medieval period, serving as enclosed farmsteads for a single family or small community, and they remain one of the most common monument types in Ireland, though many have been damaged or destroyed by agricultural and infrastructural change over the centuries.

Visitors approaching the ridge should expect little in the way of dramatic earthworks. The interest here lies less in what is visible and more in the persistence of the place itself, a recognisable if battered outline on a hilltop, interrupted by a road that carries on regardless.