This one in Bushfield, County Mayo, does almost the opposite. Levelled to near-nothing, it survives as a barely discernible undulation in a pasture field, detectable mainly by a low stony bank on its western arc, no more than thirty centimetres high, with large stones protruding through the turf. A single hawthorn tree marks the perimeter at the north-west. That is more or less all that remains above ground.

The site is classified as a possible rath, the term used for a ringfort, the most common type of early medieval settlement in Ireland, typically a circular or subcircular enclosure defined by an earthen bank and ditch and associated with a single farmstead. This one measures roughly 32 metres north to south and about 30 metres east to west, which falls within a normal size range for such structures. What makes it particularly elusive is that it does not appear on any edition of the Ordnance Survey six-inch maps, meaning it escaped the most systematic cartographic record of the Irish landscape carried out during the nineteenth century. Whether it was already too degraded by that point, or simply overlooked, is unclear. Later agricultural activity has compounded the situation: levelled field boundaries and walls have merged with the enclosure at the south-west, north-west, and east, now visible only as low grass-covered rises. A possible levelled field wall runs north to south from the perimeter through the north-east quadrant toward the centre, further blurring the original outline. Roughly 260 metres to the south-east, the ruins of Bushfield House, an eighteenth-century country house, sit alongside associated farm buildings, a reminder that this land has been actively managed across many centuries, each phase quietly obscuring what came before.