Barely eight metres across, this ring-ditch is the kind of feature that disappears entirely at ground level, swallowed by whatever crop happens to be growing, yet resolves into something unmistakable when viewed from above.

A ring-ditch, in general terms, is a roughly circular trench cut into the ground, and such features are typically associated with prehistoric funerary or ritual activity, often the eroded remnants of a burial mound whose central earthwork has long since been ploughed flat. What survives at Springhill is the ditch itself, approximately two metres wide, forming a complete circle with no evidence of an entrance gap breaking its circumference. That unbroken perimeter is itself a detail worth noting, since many comparable sites preserve at least one causeways or break where people could pass through. Here, whatever lay at the centre was enclosed without any obvious means of ordinary access. The site sits roughly 144.8 metres east-southeast of a neighbouring enclosure, and it is not alone; a significant number of other enclosures and ring-ditches occupy the same field to the east, south, and west, suggesting this particular patch of Dublin farmland was once a place of considerable ceremonial or communal significance.

The ring-ditch is not visible on the ground in any conventional sense, so arriving with a map reference and expecting to see earthworks is likely to lead to disappointment. Its clearest form appears in aerial and satellite imagery; it was recorded from Google Earth and Apple Maps imagery dated to June 2018, and those images remain a useful way to orient yourself before visiting the surrounding area. The site was compiled as part of the Archaeological Survey of Ireland by Tom Condit and uploaded in April 2021, which means it is a recognised entry in the national record and can be cross-referenced against the Sites and Monuments Record for County Dublin. Cropmarks of this kind tend to show most sharply during dry summers, when differential soil moisture above a buried ditch causes the overlying vegetation to grow and colour differently to the surrounding field, so late summer, particularly after a dry spell, offers the best chance of seeing the feature from an elevated vantage point or from satellite imagery updated after such conditions.