© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw
Cefn Man Moel is a cross-ridge dyke situated in Wales on bedrock of the South Wales Upper Coal Measures Formation. This geological sequence, laid down during the Westphalian period, comprises mudstone, siltstone and sandstone interbedded with coal seams, ironstone and ferricrete. The dyke represents a substantial linear earthwork, characteristic of the cross-ridge type, which typically functioned as a territorial boundary or stock control feature during the Iron Age or Romano-British period. The precise dating of this example remains undetermined. The monument's location on terrain underlain by Coal Measures strata, with their associated ridge-forming ferricrete bands, would have influenced both its construction and preservation. Cefn Man Moel is protected as a scheduled monument by Cadw, the Welsh Historic Monuments service, under reference MM345, ensuring its retention as an important record of early land use and settlement patterns in the Welsh landscape.
Cefn Man Moel cross-ridge dyke is a scheduled monument protected by Cadw under reference MM345. View the official record →
Cefn Man Moel is a cross-ridge dyke situated in Wales on bedrock of the South Wales Upper Coal Measures Formation. It is designated a Scheduled Ancient Monument by Cadw under reference MM345.
Cefn Man Moel cross-ridge dyke dates from the unknown period, and is classified as a cross ridge dyke. It is one of over 32,000 scheduled monuments protected across the UK.
Cefn Man Moel cross-ridge dyke 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 MM345.
Several scheduled monuments lie within 10 km, including St. Sannan's Churchayrd Cross, Bedwellty (5.5 km), Pen y Fan Canal Reservoir (5.9 km), St Illtyd Castle Mound (6 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Cefn Man Moel cross-ridge dyke'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.
Cefn Man Moel cross-ridge dyke stands on South Wales Upper Coal Measures Formation, bedrock that formed in the Westphalian. The rock here is mudstone, siltstone, sandstone, coal, ironstone and ferricrete.