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St Cillan's Fort is a rath, a small defended Irish settlement of early Christian date located in County Down, Northern Ireland. The monument consists of a univallate earthwork, a single defensive bank that would originally have enclosed a habitation area. These modest fortifications are characteristic of the settlement pattern in early medieval Ireland, where such raths served as farmsteads and residences for families of moderate status. St Cillan's Fort sits on bedrock of the Hawick Group, a Wenlock-age wacke formation that underlies this part of County Down, providing the natural geological foundation for its construction.
The fort's defensive earthwork would have been constructed using materials readily available from the surrounding landscape, with the bank built from upcast soil created during the digging of any associated ditch. The single vallum suggests a structure of modest pretension, distinguishing it from larger, more heavily fortified ringforts elsewhere in the region. Such sites are concentrated throughout the north of Ireland and represent a common form of settlement in the centuries following the spread of Christianity through the Irish kingdoms.
St Cillan's Fort is protected as a scheduled monument under the Historic Environment Division of the Department for Communities, Northern Ireland, recorded under reference 8806. Its survival as an upstanding earthwork contributes to our understanding of early Christian settlement patterns and the distribution of defended homesteads across the broader landscape of medieval County Down.
St. cillan's fort. rath is a scheduled monument protected by Department for Communities NI under reference 8806. View the official record →
St Cillan's Fort is a rath, a small defended Irish settlement of early Christian date located in County Down, Northern Ireland. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 8806.
St. cillan's fort. rath dates from the e.christ. period, and is classified as a rath. It is one of over 32,000 scheduled monuments protected across the UK.
St. cillan's fort. rath 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 8806.
Several scheduled monuments lie within 10 km, including Lady annesley's fish trap. fish trap (1.7 km), Wwii pillbox - dhp no.3 (1.8 km), Lady annesley's fish trap. fish trap (2 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of St. cillan's fort. rath'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.
St. cillan's fort. rath stands on Hawick Group, bedrock that formed in the Wenlock. The rock here is wacke.