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Crannog in Mount Seborough Lough is an Early Christian artificial island settlement submerged in the shallow waters of Fermanagh's lake landscape. The crannog sits above bedrock of the Tyrone Group, a complex sequence of Visean limestone, mudstone and sandstone that characterises this region's geology. Such artificial islands, constructed from timber, stone and organic material, were a distinctive dwelling type across Early Christian Ireland, offering defensive advantages and prestige to their inhabitants.
The crannog's position within Mount Seborough Lough places it within a riverine valley system typical of Fermanagh's drumlin topography. Water levels and preservation conditions in such lakes have occasionally allowed organic remains to survive, providing rare archaeological evidence of Early Christian domestic life, crafts and subsistence. The site's survival beneath the lough's waters has afforded it protection from later agricultural disturbance.
The monument is protected under reference 11000 by the Historic Environment Division, recognising its significance as evidence of early medieval settlement patterns and construction techniques in Ulster. Access to the submerged site remains restricted, preserving it for future archaeological investigation when non-invasive recording techniques may allow further study of this important Early Christian landscape feature.
Crannog in mount seborough lough is a scheduled monument protected by Department for Communities NI under reference 11000. View the official record →
Crannog in Mount Seborough Lough is an Early Christian artificial island settlement submerged in the shallow waters of Fermanagh's lake landscape. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 11000.
Crannog in mount seborough lough 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 in mount seborough lough 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 11000.
Several scheduled monuments lie within 10 km, including Lisnamallard. henge (1.2 km), Leagaun. standing stone (1.6 km), Large hilltop enclosure (5.3 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Crannog in mount seborough lough'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 in mount seborough lough 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.