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Pen Dinas Camp is a prehistoric hillfort occupying a prominent hilltop position in Wales. The site is protected as a scheduled monument under Cadw reference CD102. The fort exploits the natural defensive advantages of its elevated location, with steep slopes that would have afforded commanding views across the surrounding landscape and difficult access for potential attackers. The underlying bedrock comprises Llandovery rocks—a sequence of mudstone, siltstone and sandstone formations—which would have presented both opportunities and constraints for the construction of ramparts and ditches typical of Iron Age hillforts.
The geology of the Llandovery rocks would have influenced the fort's building methods and structural durability. These softer sedimentary materials differ from the harder igneous or metamorphic stone found at other Welsh hillforts, shaping how the site's defences were engineered and how they have survived to the present day. The combination of strategic hilltop position and local stone resources reflects the typical planning decisions of prehistoric communities constructing such fortifications.
Today, Pen Dinas Camp remains a significant testimony to prehistoric settlement and defensive strategy in Wales. Its designation by Cadw recognises its importance as an archaeological monument, preserving the physical evidence of a substantial communal undertaking and offering insight into Iron Age settlement patterns and territorial organisation across the Welsh landscape.
Pen Dinas Camp is a scheduled monument protected by Cadw under reference CD102. View the official record →
Pen Dinas Camp is a prehistoric hillfort occupying a prominent hilltop position in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference CD102.
Pen Dinas Camp dates from the prehistoric period, and is classified as a hillfort. It is one of over 32,000 scheduled monuments protected across the UK.
Pen Dinas Camp 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 CD102.
Several scheduled monuments lie within 10 km, including Castell Gwar-Cwm (5.8 km), Castell S of Goginan-Fach (6.1 km), Roman Fort 300m NW of Pen-Llwyn (7.4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Pen Dinas Camp'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.
Pen Dinas Camp stands on Llandovery Rocks (Undifferentiated), bedrock that formed in the Llandovery. The rock here is mudstone, siltstone and sandstone.