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Bivallate rath and possible souterrain is an early Christian enclosed settlement in Ards, County Down, protected by the Historic Environment Division under reference 6515. The monument comprises a residential ringfort with two concentric defensive earthen banks, characteristic of Irish raths from the early medieval period. The site occupies ground underlain by Gala Group wacke bedrock of Telychian age, part of the ancient Southern Uplands geology that forms the bedrock of this region.
The dual-bank fortification suggests a settlement of some importance, as the additional outer rampart provided enhanced defence for livestock and inhabitants during the early Christian centuries when such settlements flourished across Ulster. The possible souterrain—an underground stone-lined passage typical of this period—would have served for storage, refuge or ceremonial purposes, though its precise form and extent remain undetermined without modern archaeological investigation.
Raths of this type represent the domestic centres of early Christian society in Ireland, usually associated with a farming community of moderate status. The Ards peninsula's landscape of drumlins and coastal lowland provided good agricultural land, making it an attractive location for settlement during the centuries following the establishment of Christianity in Ireland.
Bivallate rath & possible souterrain is a scheduled monument protected by Department for Communities NI under reference 6515. View the official record →
Bivallate rath and possible souterrain is an early Christian enclosed settlement in Ards, County Down, protected by the Historic Environment Division under reference 6515.
Bivallate rath & possible souterrain dates from the e.christ. period, and is classified as a rath & souterrain. It is one of over 32,000 scheduled monuments protected across the UK.
Bivallate rath & possible souterrain is a Scheduled Ancient Monument, legally protected by DfC Northern Ireland (NISMR) — the body responsible for designating and safeguarding heritage sites in Ni. The official designation reference is 6515.
Several scheduled monuments lie within 10 km, including Ballygraffan dolmen. chambered tomb (2.2 km), Trivallate rath (2.6 km), Castle espie brickworks powder and explosives store. powder store, cf ihr 2781 (4 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Bivallate rath & possible souterrain's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Bivallate rath & possible souterrain stands on Gala Group, bedrock that formed in the Telychian. The rock here is wacke.