The example at Lisheencrony, in County Clare, is one of those earthworks that the landscape has quietly absorbed, its circular bank and ditch, the defining features of a rath, now as much a part of the field pattern as the hedgerows around it. A rath is an early medieval enclosure, typically dating from roughly the fifth to the twelfth century, built to define a farmstead and offer its inhabitants a degree of protection and status. They were not forts in any military sense but rather the equivalent of a walled yard, marking out the home of a farming family in a world where boundaries mattered enormously.

County Clare is particularly well furnished with such monuments. The county's limestone topography, part of the same geology that produces the Burren's extraordinary karst pavements further north, tends to preserve earthworks well, and the density of ringforts across the region reflects the intensity of early medieval settlement here. The place name Lisheencrony itself is suggestive: lisheen is a diminutive of the Irish lios, another word for a ringfort enclosure, hinting that the feature was prominent enough to name the townland long before anyone thought to record it formally.