Scheduled MonumentsWalesBryn round cairn
Prehistoric · Round Cairn

Bryn round cairn

Breconshire, Wales
Cadw SAM BR382
Period
Prehistoric
Site type
Round Cairn
Broad class
Religious, Ritual and Funerary
Nation
Wales
The designation
Reference
Cadw SAM BR382
Authority
Cadw
Designated
2007-09-18
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Bryn round cairn is a prehistoric burial monument situated on bedrock of Ashgill mudstone, siltstone and sandstone in Wales. The cairn represents a form of communal or individual burial practice characteristic of Bronze Age and earlier societies in Britain and Ireland. Such monuments typically consist of stones gathered from the surrounding landscape and heaped over a burial chamber or cremation deposit, serving as a visible marker of the deceased and a focus for ritual activity.

The monument's location on Ashgill bedrock indicates construction on moderately sloping ground, where stone for the cairn could have been quarried from exposures or gathered from surface deposits. The geological substrate, composed of indurated mudstones and siltstones interspersed with sandstone bands, would have weathered to produce a ready supply of usable stone. This geology is characteristic of upland and moorland terrain across Wales, environments favoured for cairn construction.

Bryn round cairn is protected as a scheduled monument by Cadw, the Welsh heritage agency, under reference BR382. This designation recognises its archaeological significance and ensures its legal protection from damage or unauthorised disturbance. Such round cairns, though often damaged or diminished over centuries through stone robbing and agricultural activity, remain crucial sources of evidence for understanding prehistoric mortuary practices and settlement patterns in Wales.

Bryn round cairn is a scheduled monument protected by Cadw under reference BR382. View the official record →

About this monument

Questions & answers

What is Bryn round cairn?

Bryn round cairn is a prehistoric burial monument situated on bedrock of Ashgill mudstone, siltstone and sandstone in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference BR382.

What period does Bryn round cairn date from?

Bryn round cairn dates from the prehistoric period, and is classified as a round cairn. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Bryn round cairn?

Bryn round cairn 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 BR382.

What other scheduled monuments are near Bryn round cairn?

Several scheduled monuments lie within 10 km, including Garn Wen round cairn (1.9 km), Fforest Castle Mound (3.2 km), Pen Twr ring cairn (3.2 km).

Unlimited access

Everything a full report reveals about Bryn round cairn

This page is just one thread. A full Aubrey report pulls together 13 strands of Bryn round cairn's history, each drawn from the record and mapped to the exact spot:

Overview
An interactive map of the location with every monument and battle plotted, and a plain-language history built only from what the record holds.
Monuments
The legally protected scheduled monuments around the location, each with its period, type and significance.
Battlefields
The battles and sieges fought on this ground, mapped and set on a timeline of the wider conflict.
Roman Britain
The Roman roads, forts and towns near here, and the Iron Age people who held the land before Rome arrived.
Civil War
The Civil War fighting, garrisons and recorded militaria in this area, woven into the arc of 1642 to 1651.
Geology
The bedrock beneath the site, its age and rock type, reaching back hundreds of millions of years.
Local Names
What the street and field names around here actually mean, and the history buried inside them.
Historical Maps
Ordnance Survey maps from the 1800s, layered over the location as it stands today.
Literature
The books, county histories, charters and archives that mention this place, quoted with their sources.
Legal
The protected sites nearby and the metal-detecting, access and treasure laws that apply to this ground.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Target Zones
For detectorists: the most promising ground to search nearby, ranked by confidence, with what to expect.
Timeline
The whole story of the location told era by era, from prehistory to the present day.
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The ground beneath

The bedrock under Bryn round cairn

Bryn round cairn stands on Ashgill Rocks (Undifferentiated), bedrock that formed in the Ashgill. The rock here is mudstone, siltstone and sandstone.