No earthwork, no ditch, no raised bank. The ringfort that once stood here has been levelled completely, leaving not so much as a ripple in the grass to mark where it was.

A rath, as ringforts of this type are commonly called, was typically a circular enclosure defined by one or more earthen banks and ditches, used as a farmstead and place of shelter during the early medieval period in Ireland. This one measured roughly forty metres in diameter, and it survived long enough to be recorded on the Ordnance Survey six-inch map of 1842, where it appears as a hachured circle, a cartographic convention indicating raised or embanked ground. By that point the interior had already been planted with trees, and the surrounding field carried the name Ballarthur Field, a name that hints at older Gaelic layers beneath the anglicised landscape of a nineteenth-century estate. The demesne in question was that of Mitchelstown Castle, a substantial estate in north Cork, and it is likely that the improvement and tidying of demesne land over the course of the nineteenth century contributed to the fort's eventual erasure.

There is nothing to observe on the ground today. The site survives only in the 1842 map record, in the field name, and in the knowledge that the slope and the river and the broader landscape once framed something that people built, lived within, and left behind.