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Knock Rath is a prehistoric rath located in Wales, protected as a scheduled monument by Cadw under reference PE242. Raths were circular defended homesteads common in Iron Age and early medieval Britain and Ireland, typically comprising one or more ditched and banked enclosures. This example sits on bedrock of Ordovician mafic tuff, extrusive volcanic rock formed during the Ordovician period over 440 million years ago, which would have presented a challenging substrate for the construction of defensive earthworks.
The monument's name derives from the Irish and Welsh term for a fortified residence, reflecting the cultural heritage of the region. Such sites served as the focal point of pastoral communities, providing secure shelter for families, livestock and stored goods. The geological foundation of Knock Rath, composed of hard volcanic rock, would have required considerable effort to excavate ditches and construct surrounding banks, suggesting the investment of substantial communal labour in its creation.
Though Knock Rath's precise dating remains uncertain without excavation, raths of this type typically date from the later prehistoric period through the early medieval centuries. The monument survives as a landscape feature preserving evidence of early settlement patterns and social organisation in Wales, contributing to understanding of how communities adapted to local topography and geology in constructing their defensive settlements.
Knock Rath is a scheduled monument protected by Cadw under reference PE242. View the official record →
Knock Rath is a prehistoric rath located in Wales, protected as a scheduled monument by Cadw under reference PE242.
Knock Rath dates from the prehistoric period, and is classified as a rath. It is one of over 32,000 scheduled monuments protected across the UK.
Knock Rath is a Scheduled Ancient Monument, legally protected by Cadw — the body responsible for designating and safeguarding heritage sites in Wales. The official designation reference is PE242.
Several scheduled monuments lie within 10 km, including Blackpool Iron Furnace (7.7 km), Mounds on the Island (7.8 km), Slebech Old Church (7.8 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Knock 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.
Knock Rath stands on Unnamed Extrusive Rocks, Ordovician, bedrock that formed in the Ordovician. The rock here is mafic tuff.