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Kidney-shaped enclosure is a prehistoric earthwork located in Belfast, Northern Ireland, and is protected by the Historic Environment Division under reference number 4361. The monument consists of an enclosure of uncertain date and function, defined by its distinctive kidney or bean-shaped plan. Such morphology is occasionally encountered among later prehistoric and early historic enclosures in Ireland, though the specific period of construction remains undetermined from surface examination alone.
The site lies upon bedrock comprising Palaeogene extrusive rocks, specifically mafic lava and mafic tuff formed during the Paleogene period. This volcanic geology, characteristic of the greater Belfast area, would have presented particular conditions for the monument's builders, with the hard igneous bedrock imposing constraints upon the depth and construction of any substantial earthwork defences.
The enclosure's true purpose and chronology can only be determined through archaeological investigation. The kidney-shaped ground plan distinguishes it from more common rectilinear or circular enclosure forms and may indicate specialised use, whether for settlement, stock management, ritual activity or defence. The monument remains a notable example of the region's prehistoric terrestrial engineering, meriting its protected status within the historic environment record.
Kidney-shaped enclosure is a scheduled monument protected by Department for Communities NI under reference 4361. View the official record →
Kidney-shaped enclosure is a prehistoric earthwork located in Belfast, Northern Ireland, and is protected by the Historic Environment Division under reference number 4361.
Kidney-shaped enclosure dates from the uncertain period, and is classified as a enclosure. It is one of over 32,000 scheduled monuments protected across the UK.
Kidney-shaped 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 4361.
Several scheduled monuments lie within 10 km, including Clarendon dock (southerly), ritchies dock. graving dock (4.9 km), Red brick chimney stack (ihr no.10370) (5.4 km), Chimney stack - ihr 010369 (5.4 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Kidney-shaped 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.
Kidney-shaped enclosure stands on Unnamed Extrusive Rocks, Palaeogene, bedrock that formed in the Paleogene. The rock here is mafic lava and mafic tuff.