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Lisburn Hilltop Enclosure is a large univallate earthwork situated on elevated ground in County Antrim. The monument comprises a substantial bank and ditch forming an irregular oval plan, positioned to command views across the surrounding landscape. The underlying geology of Gala Group wacke, a hard sedimentary rock formed during the Silurian period, would have provided a firm foundation for construction, though the naturally steep slopes of the hilltop itself appear to have been exploited as part of the defensive scheme.
The monument's precise date and function remain uncertain, though its morphology suggests Iron Age origins, when hilltop enclosures served as high-status residences, ritual centres or defensive refuges across Britain and Ireland. The irregular form and substantial earthworks indicate considerable labour investment and suggest significance within its local community.
The site is protected by the Historic Environment Division of the Department for Communities, Northern Ireland, under monument record 7073. The enclosure's survival on agricultural land demonstrates the value of statutory protection in preserving monuments of the prehistoric and protohistoric periods, enabling future research to elucidate its original purpose and date.
Large hilltop enclosure is a scheduled monument protected by Department for Communities NI under reference 7073. View the official record →
Lisburn Hilltop Enclosure is a large univallate earthwork situated on elevated ground in County Antrim. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 7073.
Large hilltop enclosure dates from the uncertain period, and is classified as a hilltop enclosure. It is one of over 32,000 scheduled monuments protected across the UK.
Large hilltop enclosure 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 7073.
Several scheduled monuments lie within 10 km, including Platform rath? (3.6 km), Cromie's fort. rath (4.1 km), Counterscarp rath (4.2 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Large hilltop enclosure'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.
Large hilltop enclosure stands on Gala Group, bedrock that formed in the Telychian. The rock here is wacke.