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Tomen y Gwyddel Round Barrow is a prehistoric round barrow in Wales, protected by Cadw under reference DE171. The monument sits upon bedrock of Caradoc Rocks, an undifferentiated formation of Caradocian age comprising mudstone, siltstone and sandstone. This underlying geology provided the material matrix from which any earthwork was raised, whilst the relatively stable bedrock would have offered a firm foundation for the burial construction.
Round barrows of this type typically date to the Bronze Age, serving as monumental burial places for members of prehistoric communities. The barrow's form—a raised earthen or stone mound—would have been highly visible across the surrounding landscape, functioning both as a sepulchre and as a territorial marker for the social group responsible for its construction.
The site's survival into the modern period reflects its protected status. Cadw's designation safeguards the monument from development and damage, preserving evidence of Bronze Age funerary practices and settlement patterns. The barrow remains an important archaeological record of prehistoric Wales, documenting the beliefs and social structures of its builders.
Tomen y Gwyddel Round Barrow is a scheduled monument protected by Cadw under reference DE171. View the official record →
Tomen y Gwyddel Round Barrow is a prehistoric round barrow in Wales, protected by Cadw under reference DE171.
Tomen y Gwyddel Round Barrow dates from the prehistoric period, and is classified as a round barrow. It is one of over 32,000 scheduled monuments protected across the UK.
Tomen y Gwyddel Round Barrow 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 DE171.
Several scheduled monuments lie within 10 km, including Bryn Du cairn (1.9 km), Mynydd Bach Camp (2.7 km), Tomen y Meirw (2.9 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Tomen y Gwyddel Round Barrow'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.
Tomen y Gwyddel Round Barrow stands on Caradoc Rocks (Undifferentiated), bedrock that formed in the Caradocian. The rock here is mudstone, siltstone and sandstone.