To a passing eye it is simply uneven ground, a slight humping of the earth that cattle graze around without ceremony. But this modest earthwork in Ballyroe Lower has been quietly holding its shape for long enough to appear on Ireland's earliest detailed mapping surveys, and that alone gives it a certain quiet gravity.

The Ordnance Survey's six-inch map of 1840 records the feature as a small circular earthwork, one of countless such monuments noted by surveyors crossing the Irish countryside in that period. By the time the more detailed twenty-five-inch revision was published in 1897, the record had sharpened: a raised sub-circular area measuring roughly thirteen metres northwest to southeast and twelve metres northeast to southwest, defined by a scarp, which is essentially a steep slope or drop in the ground marking the edge of a raised platform. At its eastern side, a field boundary running north to south cuts through it, a boundary dated to after 1700, meaning the earthwork itself predates that division of the land, though by how much remains unclear. Later aerial survey work, using Digital Globe and Google Earth orthoimages captured between 2011 and 2013, confirmed the monument as a raised area enclosed by a bank and fosse, a fosse being a ditch dug to define or defend a boundary. The overall outline from above reads as a D-shape rather than the full circle suggested by the earlier maps, likely because the eastern portion has been disturbed by that later field boundary. The record was compiled by Fiona Rooney and uploaded in August 2021.

The site sits in pasture approximately a hundred metres east of the townland boundary with Kilfinnane and around a hundred and ninety-five metres northeast of the boundary with Ballinanima, placing it in quiet agricultural country in south County Limerick. There is no formal access or visitor infrastructure, and the monument is on private farmland, so any visit would require the landowner's permission. The earthwork is not immediately dramatic on the ground, but knowing what to look for makes the difference: a low bank, a slight hollow where the fosse runs, and the way the ground rises just enough to suggest something deliberate beneath the grass.