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Barclodiad y Gawres is a Neolithic chambered tomb situated on the island of Anglesey in north Wales, dating to approximately 3500 to 3000 BCE. The monument comprises a substantial round barrow containing a cruciform chamber built from stone, characteristic of passage grave construction found across the Irish Sea region during the Neolithic period. The tomb's internal structures and grave goods indicate its function as a communal burial monument, serving as a repository for multiple inhumations across an extended timespan. The site represents significant evidence of Neolithic funerary practice and ritual activity in Wales, with its architectural form and material culture linking it to broader Neolithic traditions of western Britain and Ireland.
Barclodiad y Gawres Chambered Tomb is a scheduled monument protected by Cadw under reference AN032. View the official record →
Barclodiad y Gawres is a Neolithic chambered tomb situated on the island of Anglesey in north Wales, dating to approximately 3500 to 3000 BCE. It is designated a Scheduled Ancient Monument by Cadw under reference AN032.
Barclodiad y Gawres Chambered Tomb dates from the prehistoric period, and is classified as a chambered round barrow. It is one of over 32,000 scheduled monuments protected across the UK.
Barclodiad y Gawres Chambered Tomb 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 AN032.
Several scheduled monuments lie within 10 km, including Mynydd Bach round cairn (0.1 km), Pen-Sieri Inscribed Stone (0.6 km), Pont Aberffraw (3.2 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Barclodiad y Gawres Chambered Tomb'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.
Barclodiad y Gawres Chambered Tomb stands on Precambrian mica, bedrock that formed in the Precambrian. The rock here is mica schist; undifferentiated metamorphic.