Scheduled MonumentsWalesTinkinswood Chambered Tomb
Prehistoric · Chambered long barrow

Tinkinswood Chambered Tomb

Wales
Cadw SAM GM009
Period
Prehistoric
Site type
Chambered long barrow
Broad class
Religious, Ritual and Funerary
Nation
Wales
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Tinkinswood Chambered Tomb is a Neolithic long barrow situated in the Vale of Glamorgan, Wales, and represents one of the most substantial megalithic monuments of its kind in Britain. Dating to the Neolithic period, approximately 4000–3000 BCE, the tomb comprises a large stone burial chamber constructed beneath an elongated earthen mound, with a distinctive capstone weighing some 40 tonnes among the heaviest known examples. The monument was built for collective burial practices and served ritual and funerary functions across several generations of Neolithic communities. Archaeological investigation has recovered human remains and artefacts from the chamber, indicating its use as a communal ossuary and its significance within the religious and social life of prehistoric Wales.

Tinkinswood Chambered Tomb is a scheduled monument protected by Cadw under reference GM009. View the official record →

About this monument

Questions & answers

What is Tinkinswood Chambered Tomb?

Tinkinswood Chambered Tomb is a Neolithic long barrow situated in the Vale of Glamorgan, Wales, and represents one of the most substantial megalithic monuments of its kind in Britain. It is designated a Scheduled Ancient Monument by Cadw under reference GM009.

What period does Tinkinswood Chambered Tomb date from?

Tinkinswood Chambered Tomb dates from the prehistoric period, and is classified as a chambered long barrow. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Tinkinswood Chambered Tomb?

Tinkinswood 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 GM009.

What other scheduled monuments are near Tinkinswood Chambered Tomb?

Several scheduled monuments lie within 10 km, including Barry Castle (6.2 km), Site of Medieval Mill & Mill Leat Cliffwood (6.4 km), Westward Corner Round Barrow (6.4 km).

Unlimited access

Everything a full report reveals about Tinkinswood Chambered Tomb

This page is just one thread. A full Aubrey report pulls together 13 strands of Tinkinswood Chambered Tomb'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 Tinkinswood Chambered Tomb

Tinkinswood Chambered Tomb stands on Triassic Rocks (Undifferentiated), bedrock that formed in the Triassic. The rock here is sandstone and conglomerate, interbedded.

The wider landscape

Around Tinkinswood Chambered Tomb

Caerphilly CastleArchaeological site · ~9.4 miles