Castles - Wales, United Kingdom

72 documented abandoned castles have been mapped by the Urbexology community in Wales, concentrated mainly around Cowbridge (3), Neath (3), Herbrandston (3). Each location below links to its own page with coordinates, photos where available, and access notes.

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Abergavenny Museum (Abergavenny)
Albro Castle (Cardigan)
Caer Leb Castle (Gaerwen)
Caerleon Roman Fortress Baths (Caerleon)
Caernarfon Castle (Caernarfon)
Candleston Castle (Merthyr Mawr)
Canovium Roman Fort (Llansantffraid Glan Conwy)
Cardiff Castle (Cardiff)
Carnwyllion Castle - Llanelli Old Castle (Llanelli)
Carreg Cennen Castle (Glanamman)
Castell Aberlleiniog (Llangoed)
Castell Aberystwyth (Aberystwyth)
Castell Collen Roman fort (Llandrindod Wells)
Castell Dinefwr (Llandeilo)
Castell Dolforwyn (Newtown)
Castell Ewloe (Deeside)
Castell Llansteffan Castle (Llansteffan)
Castell Rhuddlan (Rhuddlan)
Castell y Bere (Barmouth)
Castle Hill Wood (Whitland)
Cefnllys Castle (Penybont)
Chepstow Castle (Chepstow)
Chepstow Castle (Chepstow)
Clyro Roman Fort (Hay)
Crickhowell Castle (Gilwern)
Denbigh Castle (Denbigh)
Dinas Powys Castle (Dinas Powys)
Dinefwr Castle (Llandeilo)
Dinerth Castle Remains site (Llanon)
East Gate of Nidum Roman Fort (Neath)
East Orchard Castle (Rhoose)
Fort Hubberston (Milford Haven)
Gelligaer Roman Fort (Gelligaer)
Hafodunos Hall (Llysfaen)
Ivy Tower (Neath)
Keep (Llanberis)
Kenfig Castle (Pyle)
Lavernock Fort Gun Battery (Penarth)
Llandovery Castle (Llandovery)
Llangybi Castle (Llangybi)
Llanquian Castle (Cowbridge)
Llantrisant Castle (Llantrisant)
Loughor Castle (Gorseinon)
Mold Castle (Mold)
Monmouth Castle (Monmouth)
Montgomery Castle (Montgomery)
Morgraig Castle (Caerphilly)
Morris Castle (Landore)
Nantcribba Castle (Montgomery)
Neath Castle (Neath)
Nevern Castle (Nevern)
Newport Castle (Newport)
Ogmore Castle (Merthyr Mawr)
Old Beaupre Castle (Cowbridge)
Oystermouth Castle (Bishopston)
Penmark Castle (Rhoose)
Popton Fort (Milford Haven)
Prestatyn Castle Motte and Bailey (Prestatyn)
Roman wall fortress (Burry Port)
South Hook fort (Herbrandston)
St Quentin’s Castle (Cowbridge)
Stack Rock (Herbrandston)
Stack Rock Fort (Herbrandston)
Stapleton Castle Ruins (Presteigne)
Swansea Castle (Swansea)
Tenby Castle (Tenby)
The Camp - Iron Age Fort (Caldicot)
The Stepping Stones (Merthyr Mawr)
Tomen y Mur Roman Fort (Trawsfynydd)
Weobley Castle (Llanelli)
Weobley Castle (Llanelli)
West Blockhouse Fort (Dale)

As a reminder, it is FORBIDDEN to enter private property. Always check local laws and access rights before visiting any location. Read the full disclaimer.