Scheduled MonumentsWalesCastell Dinefwr
Medieval · Castle

Castell Dinefwr

Carmarthenshire, Wales
Cadw SAM CM029
Period
Medieval
Site type
Castle
Broad class
Defence
Nation
Wales
Boundary

Scheduled area

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Overview

History & significance

Castell Dinefwr is a medieval castle occupying a commanding hilltop position in the Tywi Valley near Llandeilo in Carmarthenshire, Wales. The site has origins in the early medieval period and was developed as a significant stronghold of the Welsh princes, particularly the lords of Deheubarth, with major construction and consolidation occurring from the twelfth century onwards. The castle comprises a substantial stone keep or tower together with defensive earthworks and curtain walls typical of the medieval period. Castell Dinefwr remained an important centre of Welsh power until the late medieval period and is recorded as one of the key fortifications of native Welsh rule before the final conquest of Wales by Edward I.

Castell Dinefwr is a scheduled monument protected by Cadw under reference CM029. View the official record →

About this monument

Questions & answers

What is Castell Dinefwr?

Castell Dinefwr is a medieval castle occupying a commanding hilltop position in the Tywi Valley near Llandeilo in Carmarthenshire, Wales. It is designated a Scheduled Ancient Monument by Cadw under reference CM029.

What period does Castell Dinefwr date from?

Castell Dinefwr dates from the medieval period, and is classified as a castle. It is one of over 32,000 scheduled monuments protected across Britain.

Who is responsible for protecting Castell Dinefwr?

Castell Dinefwr 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 CM029.

What other scheduled monuments are near Castell Dinefwr?

Several scheduled monuments lie within 10 km, including Two Burnt Mounds 600m ESE of Rhyd-y-Ffynnon Farm (3.2 km), Cincoed Limestone Quarries and Kilns (5.3 km), Limekilns East of Cincoed (5.4 km).

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