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Llechlwyd Hillfort is a prehistoric fortified settlement positioned on high ground in Wales. The site occupies bedrock formed from Silurian-age mafic igneous rock, part of an unnamed intrusion dating to the Ordovician and Silurian periods. This dense, dark volcanic foundation would have provided both a naturally defensible ridge and the hard stone necessary for construction of the fort's ramparts and structures.
The hillfort follows the typical Iron Age pattern of a settlement enclosed by one or more lines of earthen banks and ditches, though the precise extent and condition of these defences reflects the specific topography of this igneous outcrop. The elevated position commands views across the surrounding landscape, a characteristic feature of prehistoric hill forts built to monitor movement and assert territorial control during the late prehistoric period.
The monument is protected by Cadw, the Welsh heritage conservation authority, under the reference ME124. This formal scheduling reflects its archaeological significance as evidence of prehistoric settlement and social organisation in Wales during the Iron Age and potentially earlier periods. The site remains an important record of how communities adapted their settlement strategies to the local geology and terrain.
Llechlwyd Hillfort is a scheduled monument protected by Cadw under reference ME124. View the official record →
Llechlwyd Hillfort is a prehistoric fortified settlement positioned on high ground in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference ME124.
Llechlwyd Hillfort dates from the prehistoric period, and is classified as a hillfort. It is one of over 32,000 scheduled monuments protected across the UK.
Llechlwyd Hillfort 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 ME124.
Several scheduled monuments lie within 10 km, including Tal-y-Gareg Camp (0.4 km), Castell-Mawr (1.8 km), Domen Ddreiniog (2.5 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Llechlwyd Hillfort'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.
Llechlwyd Hillfort stands on Unnamed Igneous Intrusion, Ordovician To Silurian, bedrock that formed in the Silurian. The rock here is mafic igneous-rock.