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Narberth Mountain Enclosure is a prehistoric enclosure situated on elevated ground in Wales, commanding views across the surrounding landscape. The monument is defended by a substantial rampart that encloses an interior space, a characteristic form of settlement from the late prehistoric period. The site occupies bedrock formed from Pridoli rocks, an undifferentiated sequence of mudstone, siltstone and sandstone deposited during the Pridoli epoch, which provides a solid foundation and would have been exposed in places across the hillside when the enclosure was first constructed.
The enclosure represents a significant investment in labour and demonstrates the territorial awareness and social organisation of its prehistoric builders. Such monuments typically served multiple functions: as defended settlements offering protection for communities and livestock, as places of assembly, and as visible markers of land ownership and control. The positioning on elevated terrain would have afforded both defensive advantage and extensive visibility across surrounding territory.
The site is now protected by Cadw, the Welsh Historic Monuments service, under reference PE394, ensuring its preservation for future study and public access. The enclosure survives as an important archaeological record of prehistoric settlement patterns and social structures in Wales, offering insights into how communities organised themselves and their landscape during the Iron Age or earlier periods.
Narberth Mountain Enclosure is a scheduled monument protected by Cadw under reference PE394. View the official record →
Narberth Mountain Enclosure is a prehistoric enclosure situated on elevated ground in Wales, commanding views across the surrounding landscape. It is designated a Scheduled Ancient Monument by Cadw under reference PE394.
Narberth Mountain Enclosure dates from the prehistoric period, and is classified as a enclosure. It is one of over 32,000 scheduled monuments protected across the UK.
Narberth Mountain Enclosure 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 PE394.
Several scheduled monuments lie within 10 km, including Burnt Mound North of Dinaston Farm (4.3 km), Longstone Camp (4.8 km), Stepaside/Kilgetty Ironworks (6.2 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Narberth Mountain Enclosure'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.
Narberth Mountain Enclosure stands on Pridoli Rocks (Undifferentiated), bedrock that formed in the Pridoli. The rock here is mudstone, siltstone and sandstone.