This is a ring-ditch, a type of monument defined by a roughly circular trench cut into the ground, most commonly associated with prehistoric funerary or ritual activity. What makes this particular example quietly arresting is the absence of any entrance gap through the ditch, suggesting either that access was never physically built into its design, or that whatever purpose it served did not require one.

The site at Springhill sits close to the eastern boundary of its field, some 460 metres north-west of St. Doolagh's Church, a medieval structure that is itself one of the more unusual survivals in the Dublin landscape. The ring-ditch measures approximately 12.3 metres in external diameter, with the defining ditch running to around 1.4 metres in width. Those figures were recorded not from excavation but from aerial imagery, specifically from Google Earth and Apple Maps captures both dating to June 2018, and compiled into the archaeological record by Tom Condit in April 2021. What the satellite view also reveals is that this ring-ditch is far from solitary. A significant number of other enclosures and ring-ditches lie to the west within the same field, forming what amounts to a cluster of ancient features that has, for the most part, passed unremarked at road level.

The site is not accessible in any formal sense, sitting as it does within working agricultural land, and there is nothing to see from the field's edge or any nearby road. Its real existence, for most people, is on screen rather than underfoot. Those interested in the wider area might find St. Doolagh's Church worth the short detour, as it lies less than half a kilometre to the south-east and offers a more tangible point of contact with the deep history of this corner of Fingal. The ring-ditch itself is best appreciated through the aerial layers of mapping applications, where the circular cropmark, that tell-tale shadow of a buried ditch affecting plant growth differently from the surrounding soil, becomes legible in a way the ground simply does not allow.