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Crannog — A e.christ. Crannog is an early Christian artificial island settlement located in Fermanagh, Northern Ireland. Constructed in shallow water, the crannog consists of a timber-built dwelling platform, a settlement type that flourished throughout the early medieval period in Ireland and Scotland. These structures served as both domestic settlements and places of refuge, their island location offering natural defensive advantages in an unsettled landscape.
The site rests upon bedrock of the Tyrone Group, a Visean-age formation comprising limestone, mudstone, sandstone and siltstone interspersed with chert, coal and conglomerate. This underlying geology shaped the local landscape and the waterlogged conditions that have preserved the crannog's organic remains. The waterlogged anaerobic environment characteristic of such sites is essential for the survival of wood and other perishable materials that would otherwise decompose.
Early Christian crannogs like this one served important roles within monastic and secular communities during the period roughly spanning the fifth to twelfth centuries. The site is protected by the Historic Environment Division under reference 10286, ensuring the preservation of this significant archaeological monument and its potential to yield further evidence of early medieval life and building practices in the region.
Crannog is a scheduled monument protected by Department for Communities NI under reference 10286. View the official record →
Crannog — A e.christ. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 10286.
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 10286.
Several scheduled monuments lie within 10 km, including Two burnt mounds/ cooking places (fulachta fiadh) (6.6 km), Platform rath (6.7 km), Lisnagole. platform rath (6.9 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.