This one at Courtbrown is not among the better-preserved examples, and that is precisely what makes it worth a closer look. Partially levelled at some point in its post-medieval life, it now occupies an ambiguous middle ground between erasure and survival, enough of it remaining to read clearly in the landscape, but little enough that it asks something of the visitor.

A ringfort, sometimes called a rath when defined primarily by an earthen bank rather than stone, was typically a circular enclosure used as a defended farmstead during the early medieval period, roughly the fifth to twelfth centuries. The Courtbrown example was recorded on the Ordnance Survey six-inch map of 1841 as a circular enclosure measuring approximately thirty metres in diameter, which places it on the smaller end of the scale for such monuments. Whatever levelling occurred after that survey took its toll on much of the circuit, but the scarped edge, the steep-sided outer bank cut into the hillside, survives along a run from south to north, standing around one and a half metres high and nearly four metres wide. At the southern end of this surviving section, a limestone boulder sits atop the scarp, its presence unrecorded beyond its bare fact.

The site sits in rough pasture, so stout footwear is advisable, particularly given the marshy ground surrounding the hillock. The level interior of the enclosure is currently strewn with fallen trees, which makes movement across it awkward and obscures the surface underfoot. The surrounding wetland gives the spot an isolated quality despite its likely proximity to farmed land, and the limestone geology of the hillock itself is part of what makes it legible; the scarp edge reads clearly against the pale rock. The record was compiled by Denis Power and uploaded in August 2011, placing it within the broader county survey tradition that has documented many such sites before agricultural change or development erases them entirely.