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Crannog — a Early Christian crannog — is an artificial island dwelling situated in Fermanagh, Northern Ireland, constructed within a wetland environment underlain by Visean bedrock of the Tyrone Group. This geological foundation comprises limestone, mudstone, sandstone and siltstone interspersed with chert, coal and conglomerate, which would have influenced both the hydrology and available building materials in the immediate landscape.
Crannogs were residential structures, typically comprising timber-built roundhouses erected on artificially constructed platforms within lakes or bogland. They represent a distinctive form of settlement from the Early Christian period in Ireland and Britain, offering protection and defensive advantage whilst exploiting freshwater resources. The Fermanagh location places this example within a region particularly rich in such structures, reflecting the strategic importance of water-based settlement in this area.
The monument is recorded under Historic Environment Division reference 10253 and benefits from statutory protection. Early Christian crannogs of this type were occupied between the fifth and twelfth centuries, during which time they served as residences for families of varying social status. Archaeological evidence from comparable sites has revealed details of timber construction techniques, domestic material culture and subsistence practices, though this particular crannog awaits systematic investigation to clarify its own chronology and occupational history.
Crannog is a scheduled monument protected by Department for Communities NI under reference 10253. View the official record →
Crannog — a Early Christian crannog — is an artificial island dwelling situated in Fermanagh, Northern Ireland, constructed within a wetland environment underlain by Visean bedrock of the Tyrone Group. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 10253.
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 10253.
Several scheduled monuments lie within 10 km, including Derrybrusk church. medieval church & graveyard (6.4 km), Two burnt mounds/ cooking places (fulachta fiadh) (7 km), Platform rath (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.