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Dunmurry fort is a rath, an early Christian ringfort situated in Lisburn, County Antrim. The monument lies on Sherwood Sandstone Group bedrock, the soft reddish stone that underlies much of this part of Northern Ireland and would have influenced the character of the surrounding landscape and settlement patterns in the early medieval period. Raths were fortified farmsteads typical of early Christian Ireland, consisting of an earthen or stone bank surrounding a domestic enclosure, and served as the residences of farmers and minor nobility from around the 5th century onwards.
The fort's location on sandstone geology reflects the practical considerations of early medieval settlement, as such relatively stable ground would have been preferable for raising substantial earthworks. Dunmurry's position in the Lisburn area places it within a region where multiple such sites were established, contributing to the dispersed pattern of settlement that characterised early Christian Ireland.
The site is protected by the Historic Environment Division of the Department for Communities under reference 4920, recognising its importance as evidence of early medieval occupation and social organisation in Ulster. The fort survives as a significant archaeological monument representing the domestic and defensive arrangements of early Christian rural society in Northern Ireland.
Dunmurry fort. rath is a scheduled monument protected by Department for Communities NI under reference 4920. View the official record →
Dunmurry fort is a rath, an early Christian ringfort situated in Lisburn, County Antrim. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 4920.
Dunmurry fort. rath dates from the e.christ. period, and is classified as a rath. It is one of over 32,000 scheduled monuments protected across the UK.
Dunmurry fort. rath 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 4920.
Several scheduled monuments lie within 10 km, including Counterscarp rath (3.4 km), The court. plantation house & bawn (4.8 km), Lock 12, the island. canal lock, part of the lagan navigation - c.f. ihr 2680 (4.8 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Dunmurry fort. rath'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.
Dunmurry fort. rath stands on Sherwood Sandstone Group, bedrock that formed in the Ladinian. The rock here is sandstone, siltstone and mudstone.