This one, a subcircular rath sitting on a rise in the undulating grassland of Gortaganny in County Galway, is a case in point. Two agricultural sheds now occupy its interior, and a modern field boundary slices through the monument at the north-east and south-east, erasing whatever earthworks once continued to the east. It is a small, quietly compromised piece of prehistory, measuring roughly 27.6 metres on its north-south axis, and it carries on existing in fair condition despite everything.

A rath is an enclosed farmstead of the early medieval period, typically defined by one or more earthen banks and accompanying ditches, built to shelter a family and their livestock rather than to serve any purely military function. At Gortaganny, the enclosing bank survives along with traces of an external fosse, the term for the ditch dug to provide material for the bank itself, running from the west around to the north-west. This arc of earthwork is the most legible part of what remains, giving a sense of the original form even as the rest has been cut away or built over. Such partial survival is common across Ireland, where centuries of agricultural use have worked steadily against these monuments, incorporating them into field systems, quarrying their banks for soil, or simply building on the level ground they provide.