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The Crannog in Drumgay Lough is an early Christian artificial island settlement in Fermanagh, Northern Ireland. Crannogs are distinctive prehistoric and early medieval dwelling sites built on the beds or margins of lakes and wetlands, constructed from layers of timber, stone and organic material. This particular example sits above bedrock of the Tyrone Group, a complex sequence of limestone, mudstone, sandstone and siltstone formed during the Visean period of the Carboniferous era. The remains survive as a submerged or partially submerged mound within the lough.
The site's Early Christian date places it within the period when such dwellings were common across Ireland and parts of Britain, offering inhabitants strategic advantages including water-borne defence and access to fish stocks. The specific geology of the area—the varied sedimentary bedrock—would have influenced water levels and the character of surrounding wetland vegetation.
The crannog is recorded and protected by the Historic Environment Division under reference 10158, recognising its significance as an archaeological monument. Though now largely submerged or inaccessible, such sites represent crucial evidence for understanding settlement patterns, building techniques and daily life in early Christian Ireland.
Crannog in drumgay lough is a scheduled monument protected by Department for Communities NI under reference 10158. View the official record →
The Crannog in Drumgay Lough is an early Christian artificial island settlement in Fermanagh, Northern Ireland. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 10158.
Crannog in drumgay 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 drumgay 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 10158.
Several scheduled monuments lie within 10 km, including Rectangular enclosure (5.2 km), Multi-period church site - monastic site, medieval church & graveyard, cross-shaft & base etc. (6.6 km), Mound, possibly crannog (7 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Crannog in drumgay 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 drumgay 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.