© Mapbox · © OpenStreetMap contributors · Boundary data © DfC Northern Ireland (NISMR)
Crannog is a prehistoric artificial island settlement located in Fermanagh, Northern Ireland. Crannogs were constructed from timber, stone and brushwood to create habitable platforms within shallow waters of lakes and wetlands, offering defensive advantages and access to aquatic resources. This example rests upon bedrock of the Tyrone Group, a sequence of Visean-age rocks comprising limestone, mudstone, sandstone and siltstone interspersed with chert, coal and conglomerate. The underlying geology would have provided building materials available from the immediate landscape, including stone for stabilisation and timber from surrounding woodland.
The crannog represents an important form of settlement construction employed across Ireland and Scotland from the prehistoric period into the medieval era. The waters and marshy terrain of Fermanagh's landscape, shaped by glacial activity and fed by spring-fed waters, created ideal conditions for such construction. This crannog is protected as a scheduled monument under the Historic Environment Division reference 16470.
Evidence of crannogs in comparable Fermanagh settings demonstrates how communities exploited freshwater resources and semi-aquatic environments. The survival of organic material in waterlogged contexts has allowed archaeologists across Ireland to recover exceptional evidence of timber structures, household goods and food remains, revealing detailed information about daily life and subsistence practices in these distinctive settlements.
Crannog is a scheduled monument protected by Department for Communities NI under reference 16470. View the official record →
Crannog is a prehistoric artificial island settlement located in Fermanagh, Northern Ireland. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 16470.
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 16470.
Several scheduled monuments lie within 10 km, including Tamlaght. multiperiod church site & graveyard (e.christian-post med.) with cross-carved stone, finial stone & bullaun (5.6 km), St. sinell. early christian monastery, medieval church (site of) & carved stone in graveyard (5.7 km), Platform rath (6.5 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.