Scheduled MonumentsWalesClawdd Mawr, Mynydd Caerau
Early Medieval · Linear Earthwork

Clawdd Mawr, Mynydd Caerau

Wales
Cadw SAM GM231
Period
Early Medieval
Site type
Linear Earthwork
Broad class
Monument
Nation
Wales
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Clawdd Mawr, Mynydd Caerau is a linear earthwork located in Wales, designated as a Scheduled Ancient Monument (SAM GM231) by Cadw. The monument consists of a substantial bank and ditch system that runs across the landscape, characteristic of Early Medieval defensive or boundary works constructed during the post-Roman period. Such linear earthworks served multiple functions, including territorial demarcation, stock control, and defence, reflecting the political organisation of early medieval Welsh kingdoms. The site's preservation and archaeological significance lie in its testimony to Early Medieval land management and settlement patterns in Wales during a period of significant social and political reorganisation.

Clawdd Mawr, Mynydd Caerau is a scheduled monument protected by Cadw under reference GM231. View the official record →

About this monument

Questions & answers

What is Clawdd Mawr, Mynydd Caerau?

Clawdd Mawr, Mynydd Caerau is a linear earthwork located in Wales, designated as a Scheduled Ancient Monument (SAM GM231) by Cadw. It is designated a Scheduled Ancient Monument by Cadw under reference GM231.

What period does Clawdd Mawr, Mynydd Caerau date from?

Clawdd Mawr, Mynydd Caerau dates from the early medieval period, and is classified as a linear earthwork. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Clawdd Mawr, Mynydd Caerau?

Clawdd Mawr, Mynydd Caerau 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 GM231.

What other scheduled monuments are near Clawdd Mawr, Mynydd Caerau?

Several scheduled monuments lie within 10 km, including Garth Hill Platform House (5.3 km), Llangynwyd Castle (7.5 km), Plas-y-Betws relict garden (8.2 km).

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