© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw
Gaer Maesmynach is a prehistoric hillfort situated in Wales, occupying defensive high ground underlain by Llandovery rocks of mudstone, siltstone and sandstone. The variable geology of this Ordovician bedrock would have presented particular challenges for construction, yet the elevated position provided commanding views across the surrounding landscape and natural advantages for settlement and defence. The site exemplifies the hillfort tradition of Iron Age Britain, when such fortified settlements served as centres of power, storage and refuge across Welsh uplands.
The name Gaer Maesmynach derives from Welsh, with Gaer denoting a fortification or enclosed settlement. Positioned to exploit the local topography, the hillfort's defences would have been constructed from available stone and earth to create ramparts and ditches following the contours of the site. The Llandovery bedrock beneath would have been worked and incorporated into these structures, shaping both the appearance and durability of the fort.
Today Gaer Maesmynach is protected by Cadw, the Welsh heritage organisation, under reference CD080. This designation ensures the preservation of the site's earthworks and archaeological deposits, safeguarding evidence of the Iron Age communities who constructed and inhabited this strategic Welsh hillfort. The monument remains a significant marker of prehistoric settlement patterns in the region.
Gaer Maesmynach is a scheduled monument protected by Cadw under reference CD080. View the official record →
Gaer Maesmynach is a prehistoric hillfort situated in Wales, occupying defensive high ground underlain by Llandovery rocks of mudstone, siltstone and sandstone. It is designated a Scheduled Ancient Monument by Cadw under reference CD080.
Gaer Maesmynach dates from the prehistoric period, and is classified as a hillfort. It is one of over 32,000 scheduled monuments protected across the UK.
Gaer Maesmynach 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 CD080.
Several scheduled monuments lie within 10 km, including Gaer Fach Defended Enclosure (1.3 km), Cribyn Clottas (1.7 km), Llanwnnen Ring Motte (4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Gaer Maesmynach'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.
Gaer Maesmynach stands on Llandovery Rocks (Undifferentiated), bedrock that formed in the Llandovery. The rock here is mudstone, siltstone and sandstone.