Heritage sites in Wales

Welsh Heritage Trail

This trail spans centuries of Welsh history, featuring UNESCO World Heritage sites like the 13th-century Caernarfon Castle and the industrial Blaenavon Ironworks. It includes Roman remains at Caerleon Amphitheatre, medieval strongholds like the concentric Caerphilly Castle, and the ruins of Cistercian abbeys at Cymer and Whitland. The list also highlights industrial feats, such as the Pontsarn Viaduct and the Monmouthshire & Brecon Canal, alongside ancient megaliths like Maen Llia and the unique coracle-associated Manordeifi Old Church.

Welsh Heritage Trail — Map

Herbert Ortner / CC BY 3.0

A

Castell Caernarfon

Caernarfon Castle is a medieval fortress in Gwynedd, north-west Wales.

Archangel12 / CC BY 2.0

B

Caerphilly Castle

Caerphilly Castle is a medieval fortification in Caerphilly in South Wales.

Steve Collis / CC BY 2.0

C

Llandaff Cathedral

Llandaff Cathedral is an Anglican cathedral and parish church in Llandaff, Cardiff, Wales.

muba / CC BY-SA 3.0

D

Aberystwyth Castle

Aberystwyth Castle is a Grade I listed Edwardian fortress located in Aberystwyth, Ceredigion, Mid Wales.

Chris55 / CC-BY-SA-3.0

E

Carew Castle

Carew Castle is a castle in the civil parish of Carew in Pembrokeshire, Wales.

Alan Stanton / CC BY-SA 2.0

F

Blaenavon Iron Works

Blaenavon Ironworks is a former industrial site which is now a museum in Blaenavon, Wales.

Nigel Davies / CC BY-SA 2.0

G

Loughor Castle

Loughor Castle is a ruined, medieval fortification located in the town of Loughor, Wales.

Metcalf, fl. 1790, engraver Ralph,… / CC0

H

Cardigan Castle

Cardigan Castle is a castle overlooking the River Teifi in Cardigan, Ceredigion, Wales. It is a Grade I listed building.

I

Fort Powton

A mid-19th-century Palmerston Fort built to defend Milford Haven against naval attack, featuring a distinctive polygonal design and fortified barracks.

Immanuel Giel / Public domain

J

Maen Llia

Maen Llia is a standing stone which sits on moorland at grid reference SN924192 in the Brecon Beacons National Park in Powys, Wales.

Jones, H. Longueville (Harry… / Public domain

K

Carreg Cennen Castle

Carreg Cennen Castle is a castle sited on a high rocky outcrop overlooking the River Cennen, close to the village of Trap, four miles south…

Necrothesp / CC-BY-SA-3.0

L

Cymer Abbey

Cymer Abbey is a ruined Cistercian abbey near the village of Llanelltyd, just north of Dolgellau, Gwynedd, in north-west Wales, United…

Andeggs / CC BY 2.5

M

Dinefwr Castle

Dinefwr Castle is a ruined castle overlooking the River Towy near the town of Llandeilo, Carmarthenshire, Wales.

N

Brecon Mountain Railway

A narrow-gauge heritage steam railway running from Pant to Torpantau, following the original route of the Brecon and Merthyr Railway along the Taf Fechan Reservoir.

O

Pontsarn Viaduct

A 19th-century limestone railway viaduct featuring seven spans, built to carry the Brecon and Merthyr Railway across the River Taf Fechan.

P

Monmouthshire & Brecon Canal

A historic 35-mile navigable waterway originally constructed to transport coal and iron, now running through the Brecon Beacons National Park.

Di Lo / CC-BY-SA

Q

Caerleon Amphitheatre

A 1st-century Roman amphitheatre that served the legionary fortress of Isca Augusta. It remains one of the most complete Roman military sites in Britain.

August Schwerdfeger / CC BY 4.0

R

Manordeifi Old Church

Manordeifi Old Church is a redundant church in Manordeifi, Pembrokeshire, Wales.

JohnArmagh / Public domain

S

Whitland Abbey

Whitland Abbey was a country house and Cistercian abbey in the parish of Llangan, in what was the hundred of Narberth, Carmarthenshire,…

Martin Edwards / CC BY-SA 2.0

T

Ogmore Castle

Ogmore Castle is a Grade I listed castle ruin located near the village of Ogmore-by-Sea, south of the town of Bridgend in Glamorgan, South…

Other Lists

Wales' Must-See Treasures Castles and Fortifications of Wales Bridges and Aqueducts Historic Churches and Sacred Sites Museums and Galleries of Wales Parks and Gardens Wales' Natural Wonders