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Crannog at Dungannon is a Early Christian artificial island settlement, protected by the Historic Environment Division under reference 15868. Crannogs were fortified dwellings constructed on freshwater lakes or in marshy ground, comprising timber-built roundhouses set upon timber piles or stone-and-timber foundations. This example lies upon bedrock of the Tyrone Group, a Visean-age sequence of limestone, mudstone, sandstone and siltstone interspersed with chert, coal and conglomerate, geology that has shaped the hydrology and settlement patterns of the Dungannon landscape for millennia.
The crannog tradition reached its peak during the Early Christian period when these settlements served as the fortified residences of local lords and ecclesiastical communities. The artificial island form offered defensive advantages whilst maintaining access to productive wetland resources. The Dungannon crannog's construction and use reflect the economic and social structures of Early Christian Ulster, when control of inland waterways and fertile lowlands conferred status and authority.
Today the monument survives as an archaeological site marking a crucial phase in Irish settlement history, accessible within the modern landscape of County Tyrone. Its preservation allows continued study of Early Christian domestic architecture, timber construction techniques and the relationship between elite communities and their physical environment during the early medieval period.
Crannog is a scheduled monument protected by Department for Communities NI under reference 15868. View the official record →
Crannog at Dungannon is a Early Christian artificial island settlement, protected by the Historic Environment Division under reference 15868.
Crannog dates from the e.christ. period, and is classified as a crannog. It is one of over 32,000 scheduled monuments protected across the UK.
Crannog 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 15868.
Several scheduled monuments lie within 10 km, including Sweat house (1 km), Architectural fragment (3.2 km), Rath & possible souterrain (3.7 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Crannog'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.
Crannog stands on Tyrone Group, bedrock that formed in the Visean. The rock here is limestone, mudstone, sandstone and siltstone, with subordinate chert, coal and conglomerate.