They were shallow, the deepest barely reaching 16 centimetres below the old ground surface, and none was wider than 84 centimetres across. Yet what they contained, and what they sat beside, places them quietly within a landscape that was being used and shaped by people long before any written record of this part of Ireland existed.

The pits were uncovered during a licensed excavation carried out in advance of development, recorded under licence number 03E1362Ext and reported by Moriarity in 2005. All five were sub-circular in plan, meaning roughly oval or round rather than precisely geometric, and they were filled with very similar deposits: dark, charcoal-rich soil containing frequent fragments of struck flint. Struck flint refers to stone that has been deliberately knapped, that is, worked by hitting it at controlled angles to produce sharp-edged tools or blades, a technique closely associated with prehistoric activity in Ireland. The presence of charcoal alongside worked stone suggests these pits were connected to human activity that involved both fire and tool use, though the record does not specify their precise function. Equally significant is their location. The cluster sits approximately 100 metres east of a separate, catalogued zone of prehistoric activity at the same townland, suggesting that Drinan was not a place of isolated or accidental human presence, but part of a wider pattern of use across this stretch of ground.

Drinan is a small townland in the Swords area of Fingal, not a place with much in the way of visible monuments or marked heritage sites. The pits themselves are no longer accessible in any meaningful sense; they were excavated ahead of development and the ground above them has since changed. What remains is the record, held within the Sites and Monuments Register for Dublin and in the published excavation report. For anyone interested in the deep prehistory of the Dublin coastal plain, the interest here lies less in visiting a specific spot and more in reading the excavation literature and understanding how a handful of shallow cuts in the earth, easily overlooked, can point to repeated, purposeful human presence across a landscape over a very long span of time.