In a field near Calverstown in County Kildare, three small circular features sit aligned east to west, invisible at ground level and only legible from the sky. They appear not as earthworks or upstanding monuments but as cropmarks, the faint shadows that buried archaeology casts on growing vegetation in dry summers, when soil disturbed by ancient digging retains moisture differently from the undisturbed ground around it. In this case, the three circles each measure roughly ten metres in diameter, a scale consistent with prehistoric burial mounds, or barrows, the low round mounds under which the dead were interred across Ireland and Britain from the Neolithic through the Bronze Age.

The features were identified from a Google Earth aerial photograph taken on 28 June 2018, with the discovery compiled by Caimin O'Brien from details provided by Pat Reid. Their east to west alignment is worth noting. Deliberate orientation is a recurring feature of prehistoric funerary monuments across Ireland, often understood in relation to the movement of the sun, though the specific significance varies between sites and periods. Three barrows grouped together, rather than a solitary one, suggests this may have been a small cemetery or ritual landscape, used and returned to over time, though without excavation that remains an inference drawn from their arrangement rather than confirmed fact.