Enclosure, Cloghran, Co. Dublin
Co. Dublin |
Enclosures
Somewhere beneath the tarmac and loading bays of a business park near Dublin Airport, an oval earthwork roughly forty metres across sits quietly unrecognised by anyone walking above it.
The enclosure at Cloghran was never excavated, never given a heritage plaque, and never had the chance to be misunderstood by a passing tourist. It simply disappeared under development before most people knew it was there.
The site came to light not through fieldwork but through the sky. It was one of three enclosures identified from a single aerial photograph, reference CUCAP BDR 29, part of the Cambridge University Collection of Aerial Photography, which has been instrumental in revealing cropmarks and soil variations across the Irish landscape that are entirely invisible at ground level. Enclosures of this general type, roughly circular or oval earthworks defined by a bank and ditch, are among the most common archaeological features in Ireland, and many are thought to date from the early medieval period, though without excavation their age and function remain open questions. This particular example measured approximately forty metres on its northwest to southeast axis and thirty-three metres east to west, placing it towards the smaller end of the scale. The record was compiled by Geraldine Stout and updated by Christine Baker, with the entry uploaded in January 2015.
There is, practically speaking, nothing to see at Cloghran today. The North Western Business Park now occupies the ground, and the enclosure is not visible at surface level even in the most favourable conditions. What remains is only the record, the outline traced from light and shadow in an aerial photograph, and the coordinates that fix it beneath concrete. For anyone interested in how Irish archaeology is documented rather than experienced, that is itself a useful thing to sit with. The site is a reminder that the map of the past is assembled from many sources, including photographs taken from aircraft over land that nobody yet thought to look at closely.