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Crannog is a lake dwelling situated in County Down, Northern Ireland, protected as a scheduled monument by the Historic Environment Division under reference 7251. The crannog occupies a location where the underlying bedrock comprises wacke of the Gala Group, sedimentary strata laid down during the Telychian period of the Silurian era, now weathered and fractured beneath the monument's water-logged deposits.
Early Christian crannoges were artificially constructed islands, typically built by driving timber piles and laying brushwood and stones to create a stable dwelling platform in shallow freshwater lakes. These structures served as farmsteads and fortified residences, offering strategic advantages including defensive potential and access to fish stocks and wildfowl. The watertight conditions surrounding such monuments preserve organic remains exceptionally well, providing valuable evidence of early medieval settlement patterns, domestic life and craftsmanship.
This crannog's survival within Down's landscape contributes to our understanding of early Christian settlement hierarchies and subsistence strategies in early medieval Ulster. The monument's protected status recognises its archaeological significance for demonstrating how communities adapted to local topography and exploited lacustrine environments during this transformative period of Irish history.
Crannog is a scheduled monument protected by Department for Communities NI under reference 7251. View the official record →
Crannog is a lake dwelling situated in County Down, Northern Ireland, protected as a scheduled monument by the Historic Environment Division under reference 7251.
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 7251.
Several scheduled monuments lie within 10 km, including Walshestown castle. tower-house, bawn & 2 c13th coffin lids (6.2 km), Raised rath (7.1 km), Platform rath (8.2 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 Gala Group, bedrock that formed in the Telychian. The rock here is wacke.