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Capel Garmon Chambered Tomb is a prehistoric chambered long cairn situated in Wales, built from stone gathered from the local landscape underlain by Caradoc Rocks. These bedrock formations, dating to the Caradocian period, comprise mudstone, siltstone and sandstone that would have been readily available for construction. The monument represents a burial structure from the Neolithic period, when such cairns served as communal tombs for the dead. Its design—a long mound containing an internal stone chamber—reflects building practices common across Wales and beyond during this era of early farming communities.
The cairn itself utilises local stone suited to the underlying geology, creating a substantial earthwork that has survived millennia. The internal chamber arrangement would have allowed repeated access for burials over an extended period, rather than serving as a single grave. Such monuments functioned as permanent, visible markers of group identity and territorial claim within the prehistoric landscape.
Today the site is protected by Cadw, the Welsh heritage monuments authority, under reference DE001. This designation ensures the tomb's preservation for future study and public appreciation as an important record of early Welsh settlement and burial practice.
Capel Garmon Chambered Tomb is a scheduled monument protected by Cadw under reference DE001. View the official record →
Capel Garmon Chambered Tomb is a prehistoric chambered long cairn situated in Wales, built from stone gathered from the local landscape underlain by Caradoc Rocks. It is designated a Scheduled Ancient Monument by Cadw under reference DE001.
Capel Garmon Chambered Tomb dates from the prehistoric period, and is classified as a chambered long cairn. It is one of over 32,000 scheduled monuments protected across the UK.
Capel Garmon 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 DE001.
Several scheduled monuments lie within 10 km, including Pont Rhyd-Llanfair (2.1 km), Y Foel Cairns (4.2 km), Brohomagli Stone (Now In Voelas Hall) (4.3 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Capel Garmon 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.
Capel Garmon Chambered Tomb stands on Caradoc Rocks (Undifferentiated), bedrock that formed in the Caradocian. The rock here is mudstone, siltstone and sandstone.