Near Callas in mid Cork, a levelled ringfort, or rath, survives only as the faintest swelling in the ground, a landscape feature so subtle it would be easy to walk past without a second thought. Ringforts were enclosed farmsteads, typically of the early medieval period, built by a single family and defined by one or more earthen banks, known as ramparts, sometimes accompanied by an outer ditch or fosse. Thousands survive across Ireland in varying states of preservation, but this one has largely been reclaimed by the ground around it.

The site appeared on Ordnance Survey six-inch maps in 1842, 1904, and 1937, each time marked as a hachured circular enclosure roughly 35 metres in diameter, which suggests it was at least partially visible above ground for the better part of a century. By the time P. J. Hartnett examined it in 1939, a single bank was still discernible, along with what he described as a trace of an outer fosse and possibly a second rampart, hinting that the original enclosure may have been more substantial than a basic single-bank rath. At some point after that, the earthworks were levelled, most likely through agricultural activity, leaving only the slight rise that marks the area today.