The site as a whole has long attracted attention as a possible point of contact between late Iron Age Ireland and the Roman world, and the enclosure adds one more carefully measured layer to that unresolved question.

The enclosure came to light through a geophysical survey carried out under licence number 12R127 by the Discovery Programme, the Irish state-funded body established to apply scientific methods to archaeological research. The survey was part of a broader initiative called the 'Late Iron Age and "Roman" Ireland' project, and its findings were documented by Dowling in 2014. The enclosure measures approximately 30 metres on its north-south axis, a modest but telling footprint. Geophysical survey, for those unfamiliar with the technique, involves scanning the ground with instruments that detect subtle variations in soil magnetism or electrical resistance, allowing buried features to be mapped without a single sod being turned. What it cannot tell us, without excavation, is precisely when the enclosure was built, by whom, or for what purpose.

Drumanagh itself is a promontory fort on private farmland near Loughshinny, and access is not straightforward; the site is not in public ownership and is not formally open to visitors. Anyone with a serious research interest would be best served by consulting the Discovery Programme's published outputs or the relevant entries in the Sites and Monuments Record. The geophysical data, rather than any visible surface feature, is where the real information resides, and the enclosure is unlikely to announce itself to anyone walking the headland. What makes the site worth knowing about is less any single feature than the accumulating picture of a place where Ireland's relationship with the wider Roman world may one day be more clearly understood.