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Defended Enclosure 300m NW of Closbach is a prehistoric promontory fort situated in Wales. The monument occupies a naturally defensible position overlooking the surrounding landscape, its protection enhanced by the underlying bedrock of Arenig rocks. These ancient mudstones, siltstones and sandstones, formed during the Arenigian period over 470 million years ago, would have provided a solid foundation for the construction of ramparts and defensive works characteristic of Iron Age fortification.
The enclosure exemplifies the widespread practice of hillforts and promontory forts across Wales during the prehistoric period. Such monuments typically served multiple functions, including settlement, refuges during conflict, and centres for display of power and control over territory and trade routes. The fort's positioning on elevated ground maximises defensive advantage whilst offering extensive views across the surrounding terrain.
The monument is protected under Cadw reference CM380, recognising its archaeological significance as evidence of Iron Age settlement patterns and defensive strategies in Wales. The site's survival, together with comparable monuments in the region, contributes substantially to understanding how prehistoric communities organised their settlements and responded to the challenges of their environment and social circumstances.
Defended Enclosure 300m NW of Closbach is a scheduled monument protected by Cadw under reference CM380. View the official record →
Defended Enclosure 300m NW of Closbach is a prehistoric promontory fort situated in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference CM380.
Defended Enclosure 300m NW of Closbach dates from the prehistoric period, and is classified as a promontory fort - inland. It is one of over 32,000 scheduled monuments protected across the UK.
Defended Enclosure 300m NW of Closbach 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 CM380.
Several scheduled monuments lie within 10 km, including Caerau Gaer (5.8 km), Llanddewi Gaer (5.8 km), Llangwathan Castle Mound (6.7 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Defended Enclosure 300m NW of Closbach'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.
Defended Enclosure 300m NW of Closbach stands on Arenig Rocks (Undifferentiated), bedrock that formed in the Arenigian. The rock here is mudstone, siltstone and sandstone.