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Bivallate rath is a small early Christian ringfort situated near Limavady in County Londonderry, Northern Ireland. The monument consists of two concentric earthen banks separated by ditches, a defensive arrangement characteristic of high-status settlements of the early medieval period. This dual-vallate design would have enclosed a central living space, typically 30 to 50 metres in diameter, where the inhabitants—likely a noble family and their retainers—constructed their dwellings and conducted daily activities.
The rath occupies bedrock formed from Palaeogene mafic lavas and tuffs, the ancient volcanic rocks that underlie much of this region. This geology influenced local building practices and resource availability, with stone from the surrounding landscape incorporated into structures and field boundaries. The monument remains protected by the Historic Environment Division under reference 12285, recognising its significance as evidence of early medieval settlement patterns and social hierarchy in Ulster.
Raths of this type were established from the Iron Age through the medieval period, functioning as farmsteads, refuges and symbols of territorial authority. The bivallate form suggests this was a dwelling of considerable importance within its local community. Archaeological investigation of similar sites has revealed evidence of craftworking, agriculture and trade, offering insight into the economic and social life of early Christian Ireland.
Bivallate rath is a scheduled monument protected by Department for Communities NI under reference 12285. View the official record →
Bivallate rath is a small early Christian ringfort situated near Limavady in County Londonderry, Northern Ireland. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 12285.
Bivallate 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.
Bivallate 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 12285.
Several scheduled monuments lie within 10 km, including Lismore. rath (3.1 km), Rath (3.7 km), Rath (3.8 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Bivallate 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.
Bivallate rath stands on Unnamed Extrusive Rocks, Palaeogene, bedrock that formed in the Paleogene. The rock here is mafic lava and mafic tuff.