These coastal fortifications, typically dating from the Iron Age through to the early medieval period, made clever use of natural topography; builders would construct defensive walls or ramparts across the neck of a headland, transforming precipitous cliffs into formidable barriers against raiders arriving by sea or land.

The fort at An Seanbhaile represents just one example of how Ireland’s ancient inhabitants adapted their defensive strategies to the landscape. Promontory forts served multiple purposes beyond defence; they were symbols of power, controlled maritime trade routes, and provided secure grazing for livestock. While we await the full digitisation of Ireland’s archaeological records, sites like this continue to guard their secrets, rewarding those willing to venture beyond the computer screen to uncover their stories.