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Cashel & souterrain is an early Christian fortified settlement located near Banbridge in County Down. The monument consists of a cashel, a circular stone-built defensive enclosure typical of early Christian farmsteads in Ireland, together with a souterrain—an underground stone-lined passage or chamber. Such structures are characteristic of the early medieval period, when they served both domestic and defensive purposes for Christian communities establishing themselves across the Irish landscape.
The site occupies bedrock composed of an unnamed igneous intrusion of Late Silurian to Early Devonian age, which crystallised during the Early Devonian period as felsic rock. This geology would have presented particular challenges and opportunities to the monument's builders, who would have worked with the available stone resources to construct their defences and subterranean features. The igneous substrate may have influenced both the siting choice and the construction techniques employed.
The cashel and souterrain at Banbridge are protected as a scheduled monument by the Historic Environment Division of Northern Ireland under reference number 8426. The survival of both the above-ground enclosure and underground passage makes this site valuable for understanding the layout and defensive strategies of early Christian settlement in the region, as well as the relationship between domestic space and fortification during the early medieval period.
Cashel & souterrain is a scheduled monument protected by Department for Communities NI under reference 8426. View the official record →
Cashel & souterrain is an early Christian fortified settlement located near Banbridge in County Down. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 8426.
Cashel & souterrain dates from the e.christ. period, and is classified as a cashel. It is one of over 32,000 scheduled monuments protected across the UK.
Cashel & 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 8426.
Several scheduled monuments lie within 10 km, including Big fort. rath & souterrain (1.3 km), Standing stone (2.1 km), D-shaped enclosure - possibly cemetery (3.4 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Cashel & 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.
Cashel & souterrain stands on Unnamed Igneous Intrusion, Late Silurian To Early Devonian, bedrock that formed in the Early Devonian. The rock here is felsic-rock.