The one at Bredagh, in County Galway, has been worn down to almost nothing by centuries of farming and weather, yet it persists as a faint oval scar on a rise in open grassland, its earthen bank reduced to an intermittent mound, its outline surviving more as a feeling in the land than as anything sharply defined.

Ringforts, known in Irish as ráth or lios depending on regional usage, were the most common type of enclosed settlement in early medieval Ireland, typically built between around 500 and 1000 AD. They served as farmsteads, their enclosing banks and ditches offering protection for a family and their livestock rather than functioning as military fortifications in any serious sense. The Bredagh example is an oval rath, measuring roughly 33 metres on its northwest to southeast axis and 26 metres across the northeast to southwest. What remains is a denuded bank, visible only in patches, and a scarp. A shallow external fosse, the defensive ditch that once ran around the outside of the enclosure, survives along the southern side; elsewhere it appears only as a darker band of vegetation, where the disturbed ground holds moisture differently from the surrounding grassland. A gap of just over three metres on the northern side may mark the original entrance, though that identification is tentative.