Property |
Image |
Type |
Access |
Unitary Authority |
Community |
Historic County |
Grid Reference |
Coordinates |
Ref. |
Barclodiad y Gawres |
| Burial Chamber | Free | Isle of Anglesey | Aberffraw | Anglesey | SH329707 | 53.2072°N 4.5036°W / 53.2072; -4.5036 (Barclodiad y Gawres Burial Chamber) | [1] |
Basingwerk Abbey |
| Religious | Free | Flintshire | Holywell | Flintshire | SJ196774 | 53.288°N 3.2074°W / 53.288; -3.2074 (Basingwerk Abbey) | [2] |
Beaumaris Castle |
| Castle World Heritage Site.[3] | Pay | Isle of Anglesey | Beaumaris | Anglesey | SH607762 postcode LL58 8AP | 53.2649°N 4.0897°W / 53.2649; -4.0897 (Beaumaris Castle) | [4] |
Blaenavon Ironworks |
| Industrial World Heritage Site.[5] | Free | Torfaen | Blaenavon | Monmouthshire | SO249092 postcode NP4 9RN | 51.777°N 3.0892°W / 51.777; -3.0892 (Blaenavon Ironworks) | [6] |
Bodowyr |
| Burial Chamber | Free | Isle of Anglesey | Llanidan | Anglesey | SH462681 | 53.1882°N 4.3029°W / 53.1882; -4.3029 (Bodowyr Burial Chamber) | [7] |
Brecon Gaer |
| Roman Fort | Free | Powys | Yscir | Brecknockshire | SO003296 | 51.9565°N 3.4517°W / 51.9565; -3.4517 (Brecon Gaer Roman Fort) | [8] |
Bronllys Castle |
| Castle | Free | Powys | Bronllys | Brecknockshire | SO149347 | 52.0044°N 3.2407°W / 52.0044; -3.2407 (Bronllys Castle) | [9] |
Bryn Celli Ddu |
| Burial Chamber | Free | Isle of Anglesey | Llanddaniel Fab | Anglesey | SH507701 | 53.2077°N 4.2361°W / 53.2077; -4.2361 (Bryn Celli Ddu Burial Chamber) | [10] |
Bryntail |
| Industrial | Free | Powys | Llanidloes Without | Montgomeryshire | SN913868 | 52.4688°N 3.6008°W / 52.4688; -3.6008 (Bryntail Lead Mine Buildings) | [11] |
Caer Gybi |
| Roman Fort | Free | Isle of Anglesey | Holyhead | Anglesey | SH247826 | 53.3116°N 4.632°W / 53.3116; -4.632 (Caer Gybi Roman Fortlet) | [12] |
Caer Lêb |
| Enclosure | Free | Isle of Anglesey | Llanidan | Anglesey | SH472674 | 53.1819°N 4.2866°W / 53.1819; -4.2866 (Caer Lêb) | [13] |
Caer y Tŵr |
| Hill Fort | Free | Isle of Anglesey | Trearddur | Anglesey | SH219829 | 53.3131°N 4.6747°W / 53.3131; -4.6747 (Caer y Tŵr) | [14] |
Caerleon Roman Fortress |
| Roman Fort | Free | Newport | Caerleon | Monmouthshire | ST337906 | 51.6103°N 2.9588°W / 51.6103; -2.9588 (Caerleon Roman Fortress and Baths) | [15] |
Caernarfon Castle |
| Castle World Heritage Site.[3] | Pay | Gwynedd | Caernarfon | Caernarvonshire | SH477626 postcode LL55 2AY | 53.1394°N 4.277°W / 53.1394; -4.277 (Caernarfon Castle) | [16] |
Caernarfon town walls |
| Town Walls World Heritage Site.[3] | Free | Gwynedd | Caernarfon | Caernarvonshire | SH479626 | 53.141°N 4.2754°W / 53.141; -4.2754 (Caernarfon Town Walls) | [17] |
Caerphilly Castle |
| Castle | Pay | Caerphilly | Caerphilly | Glamorganshire | ST155870 | 51.5763°N 3.2206°W / 51.5763; -3.2206 (Caerphilly Castle) | [18] |
Caerwent |
| Roman Town | Free | Monmouthshire | Caerwent | Monmouthshire | ST469907 | 51.6126°N 2.7683°W / 51.6126; -2.7683 (Caerwent Roman Town) | [19] |
Capel Garmon |
| Burial Chamber | Free | Conwy | Bro Garmon | Denbighshire | SH817543 | 53.073°N 3.7658°W / 53.073; -3.7658 (Capel Garmon Burial Chamber) | [20] |
Capel Lligwy |
| Religious | Free | Isle of Anglesey | Moelfre | Anglesey | SH499863 | 53.3523°N 4.2564°W / 53.3523; -4.2564 (Capel Lligwy) | [21] |
Carew Cross |
| Religious | Free | Pembrokeshire | Carew | Pembrokeshire | SN047037 | 51.698°N 4.8278°W / 51.698; -4.8278 (Carew Cross) | [22] |
Carreg Cennen Castle |
| Castle | Pay | Carmarthenshire | Dyffryn Cennen | Carmarthenshire | SN668190 | 51.8545°N 3.9352°W / 51.8545; -3.9352 (Carreg Cennen Castle) | [23] |
Carreg Coetan |
| Burial Chamber | Free | Pembrokeshire | Newport | Pembrokeshire | SN060394 | 52.0186°N 4.8282°W / 52.0186; -4.8282 (Carreg Coetan Arthur Burial Chamber) | [24] |
Carswell Medieval House |
| Domestic | Free (Ext.) | Pembrokeshire | Penally | Pembrokeshire | SN098010 | 51.676°N 4.7523°W / 51.676; -4.7523 (Carswell Medieval House) | [25] |
Castell Bryn Gwyn |
| Prehistoric | Free | Isle of Anglesey | Llanidan | Anglesey | SH465670 | 53.1784°N 4.2979°W / 53.1784; -4.2979 (Castell Bryn Gwyn) | [26] |
Castell Coch |
| Castle | Pay | Cardiff | Tongwynlais | Glamorganshire | ST130826 | 51.536°N 3.2549°W / 51.536; -3.2549 (Castell Coch) | [27] |
Castell y Bere |
| Castle | Free | Gwynedd | Llanfihangel-y-Pennant | Merionethshire | SH667085 | 52.6583°N 3.9711°W / 52.6583; -3.9711 (Castell y Bere) | [28] |
Chepstow, Bulwark Camp |
| Prehistoric enclosure | Free | Monmouthshire | Chepstow | Monmouthshire | ST538927 | 51.6312°N 2.6689°W / 51.6312; -2.6689 (Chepstow Bulwarks Camp) | [29] |
Chepstow Castle |
| Castle | Pay | Monmouthshire | Chepstow | Monmouthshire | ST533940 | 51.6437°N 2.6755°W / 51.6437; -2.6755 (Chepstow Castle) | [30] |
Chepstow Port Wall |
| Town Walls | Free | Monmouthshire | Chepstow | Monmouthshire | ST533937 | 51.6404°N 2.6762°W / 51.6404; -2.6762 (Chepstow Port Wall) | [31] |
Cilgerran Castle |
| Castle | Pay | Pembrokeshire | Cilgerran | Pembrokeshire | SN194431 | 52.0569°N 4.6342°W / 52.0569; -4.6342 (Cilgerran Castle) | [32] |
Coity Castle |
| Castle | Free | Bridgend | Coity Higher | Glamorganshire | SS923814 | 51.5221°N 3.5534°W / 51.5221; -3.5534 (Coity Castle) | [33] |
Conwy Castle |
| Castle World Heritage Site.[3] | Pay | Conwy | Conwy | Caernarvonshire | SH783774 postcode LL32 8AY | 53.2801°N 3.8256°W / 53.2801; -3.8256 (Conwy Castle) | [34] |
Conwy town walls |
| Town Walls World Heritage Site.[3] | Free | Conwy | Conwy | Caernarvonshire | SH780776 | 53.2817°N 3.8312°W / 53.2817; -3.8312 (Conwy Town Walls) | [35] |
Criccieth Castle |
| Castle | Pay | Gwynedd | Criccieth | Caernarvonshire | SH499377 | 52.916°N 4.2324°W / 52.916; -4.2324 (Criccieth Castle) | [36] |
Cymer Abbey |
| Religious | Free | Gwynedd | Llanelltyd | Merionethshire | SH721195 | 52.7581°N 3.8962°W / 52.7581; -3.8962 (Cymer Abbey) | [37] |
Denbigh Castle |
| Castle | Pay | Denbighshire | Denbigh | Denbighshire | SJ051657 | 53.1806°N 3.4206°W / 53.1806; -3.4206 (Denbigh Castle) | [38] |
Denbigh Friary |
| Religious | Free | Denbighshire | Denbigh | Denbighshire | SJ059665 | 53.1878°N 3.4091°W / 53.1878; -3.4091 (Denbigh Friary) | [39] |
Denbigh Town Walls |
| Town Walls | Free | Denbighshire | Denbigh | Denbighshire | SJ052657 | 53.1808°N 3.4191°W / 53.1808; -3.4191 (Denbigh Town Walls) | [40] |
Leicester's Church |
| Religious | Free | Denbighshire | Denbigh | Denbighshire | SJ053659 | 53.1822°N 3.419°W / 53.1822; -3.419 (Denbigh, Leicester's Church) | [41] |
St Hilary's Chapel |
| Religious | Free | Denbighshire | Denbigh | Denbighshire | SJ052659 | 53.1818°N 3.4198°W / 53.1818; -3.4198 (Denbigh, St Hilary's Chapel) | [42] |
Derwen Churchyard Cross |
| Religious | Free | Denbighshire | Derwen | Denbighshire | SJ070507 | 53.0457°N 3.3882°W / 53.0457; -3.3882 (Derwen Churchyard Cross) | [43] |
Din Dryfol |
| Burial Chamber | Free | Isle of Anglesey | Aberffraw | Anglesey | SH395724 | 53.225°N 4.4048°W / 53.225; -4.4048 (Din Dryfol Burial Chamber) | [44] |
Din Lligwy |
| Hut Group | Free | Isle of Anglesey | Moelfre | Anglesey | SH497861 | 53.3508°N 4.2592°W / 53.3508; -4.2592 (Din Lligwy Hut Group) | [45] |
Dinefwr Castle |
| Castle | Free | Carmarthenshire | Llandeilo | Carmarthenshire | SN622224 | 51.876776°N 4.018562°W / 51.876776; -4.018562 (Dinefwr Castle) | [46] |
Dolbadarn Castle |
| Castle | Free | Gwynedd | Llanberis | Caernarvonshire | SH586598 | 53.1166°N 4.1143°W / 53.1166; -4.1143 (Dolbadarn Castle) | [47] |
Dolforwyn Castle |
| Castle | Free | Powys | Llandyssil | Montgomeryshire | SO151950 | 52.5464°N 3.2525°W / 52.5464; -3.2525 (Dolforwyn Castle) | [48] |
Dolwyddelan Castle |
| Castle | Pay | Conwy | Dolwyddelan | Caernarvonshire | SH721523 | 53.0531°N 3.9084°W / 53.0531; -3.9084 (Dolwyddelan Castle) | [49] |
Dryslwyn Castle |
| Castle | Free | Carmarthenshire | Llangathen | Carmarthenshire | SN554203 | 51.8632°N 4.1007°W / 51.8632; -4.1007 (Dryslwyn Castle) | [50] |
Dyffryn Ardudwy |
| Burial Chamber | Free | Gwynedd | Dyffryn Ardudwy | Merionethshire | SH588228 | 52.7846°N 4.0937°W / 52.7846; -4.0937 (Dyffryn Ardudwy Burial Chamber) | [51] |
Dyfi Furnace |
| Industrial | Free | Ceredigion | Ysgubor-y-coed | Cardiganshire | SN684950 | 52.5378°N 3.9404°W / 52.5378; -3.9404 (Dyfi Furnace) | [52] |
Eliseg's Pillar |
| Religious | Free | Denbighshire | Llantysilio | Denbighshire | SJ202445 | 52.9921°N 3.1893°W / 52.9921; -3.1893 (Eliseg's Pillar) | [53] |
Ewenny Priory |
| Religious | Free | The Vale of Glamorgan | Ewenny | Glamorganshire | SS912778 | 51.4888°N 3.5676°W / 51.4888; -3.5676 (Ewenny Priory) | [54] |
Ewloe Castle |
| Castle | Free | Flintshire | Hawarden | Flintshire | SJ288675 | 53.2°N 3.0672°W / 53.2; -3.0672 (Ewloe Castle) | [55] |
Flint Castle |
| Castle | Free | Flintshire | Flint | Flintshire | SJ246732 | 53.2511°N 3.1301°W / 53.2511; -3.1301 (Flint Castle) | [56] |
Grosmont Castle |
| Castle | Free | Monmouthshire | Grosmont | Monmouthshire | SO405244 | 51.9154°N 2.8657°W / 51.9154; -2.8657 (Grosmont Castle) | [57] |
Gwydir Uchaf Chapel |
| Religious | Free | Conwy | Trefriw | Caernarvonshire | SH794609 | 53.1319°N 3.8028°W / 53.1319; -3.8028 (Gwydir Uchaf Chapel) | [58] |
Hafoty Medieval House |
| Domestic | Free (Ext.) | Isle of Anglesey | Cwm Cadnant | Anglesey | SH562781 | 53.2809°N 4.1579°W / 53.2809; -4.1579 (Hafoty Medieval House) | [59] |
Harlech Castle |
| Castle World Heritage Site.[3] | Pay | Gwynedd | Harlech | Merionethshire | SH581312 postcode LL46 2YH | 52.8602°N 4.1091°W / 52.8602; -4.1091 (Harlech Castle) | [60] |
Haverfordwest Priory |
| Religious | Free | Pembrokeshire | Haverfordwest | Pembrokeshire | SM956151 | 51.7976°N 4.9643°W / 51.7976; -4.9643 (Haverfordwest Priory) | [61] |
Hen Gwrt Moated Site |
| Domestic | Free | Monmouthshire | Llantilio Crossenny | Monmouthshire | SO395151 | 51.8315°N 2.8782°W / 51.8315; -2.8782 (Hen Gwrt Moated Site) | [62] |
Holyhead Mountain Hut Circles |
| Hut Group | Free | Isle of Anglesey | Trearddur | Anglesey | SH212820 | 53.3054°N 4.6838°W / 53.3054; -4.6838 (Holyhead Mountain Hut Circles) | [63] |
Kidwelly Castle |
| Castle | Pay | Carmarthenshire | Kidwelly | Carmarthenshire | SN409070 | 51.7398°N 4.3055°W / 51.7398; -4.3055 (Kidwelly Castle) | [64] |
Lamphey Bishop's Palace |
| Religious | Free | Pembrokeshire | Lamphey | Pembrokeshire | SN018009 | 51.672°N 4.8668°W / 51.672; -4.8668 (Lamphey Bishop's Palace) | [65] |
Laugharne Castle |
| Castle | Pay | Carmarthenshire | Laugharne Township | Carmarthenshire | SN302107 | 51.7696°N 4.4621°W / 51.7696; -4.4621 (Laugharne Castle) | [66] |
Llangar Church |
| Religious | Pay | Denbighshire | Cynwyd | Merionethshire | SJ063424 | 52.9712°N 3.3959°W / 52.9712; -3.3959 (Llangar Old Parish Church) | [67] |
Llanmelin Wood Hill Fort |
| Hill Fort | Free | Monmouthshire | Caerwent | Monmouthshire | ST461925 | 51.6291°N 2.7794°W / 51.6291; -2.7794 (Llanmelin Wood Hill Fort) | [68] |
Llansteffan Castle |
| Castle | Free | Carmarthenshire | Llansteffan | Carmarthenshire | SN351101 | 51.7655°N 4.3908°W / 51.7655; -4.3908 (Llansteffan Castle) | [69] |
Llanthony Priory |
| Religious | Free | Monmouthshire | Crucorney | Monmouthshire | SO289278 | 51.9448°N 3.0364°W / 51.9448; -3.0364 (Llanthony Priory) | [70] |
Llawhaden Castle |
| Castle | Free | Pembrokeshire | Llawhaden | Pembrokeshire | SN073175 | 51.8223°N 4.7976°W / 51.8223; -4.7976 (Llawhaden Castle) | [71] |
Lligwy Burial Chamber |
| Burial Chamber | Free | Isle of Anglesey | Moelfre | Anglesey | SH501860 | 53.3499°N 4.2529°W / 53.3499; -4.2529 (Lligwy Burial Chamber) | [72] |
Loughor Castle |
| Castle | Free | Swansea | Llwchwr | Glamorganshire | SS564979 | 51.6622°N 4.0771°W / 51.6622; -4.0771 (Loughor Castle) | [73] |
Maen Achwyfan Cross |
| Religious | Free | Flintshire | Whitford | Flintshire | SJ128787 | 53.2987°N 3.3085°W / 53.2987; -3.3085 (Maen Achwyfan Cross) | [74] |
Margam Stones Museum |
| Religious | Pay | Neath Port Talbot | Margam | Glamorganshire | SS801864 | 51.5637°N 3.7312°W / 51.5637; -3.7312 (Margam Stones Museum) | [75] |
Monmouth Castle |
| Castle | Free | Monmouthshire | Monmouth | Monmouthshire | SO506128 | 51.8125°N 2.7167°W / 51.8125; -2.7167 (Monmouth Castle) | [76] |
Montgomery Castle |
| Castle | Free | Powys | Montgomery | Montgomeryshire | SO221967 | 52.5632°N 3.1501°W / 52.5632; -3.1501 (Montgomery Castle) | [77] |
Neath Abbey |
| Religious | Free | Neath Port Talbot | Dyffryn Clydach | Glamorganshire | SS738974 | 51.6612°N 3.826°W / 51.6612; -3.826 (Neath Abbey and Gatehouse) | [78] |
Newcastle Castle |
| Castle | Free | Bridgend | Bridgend | Glamorganshire | SS902800 | 51.5089°N 3.583°W / 51.5089; -3.583 (Newcastle, Bridgend) | [79] |
Newport Castle |
| Castle | Free | Newport | Stow Hill | Monmouthshire | ST311884 | 51.5908°N 2.9951°W / 51.5908; -2.9951 (Newport Castle) | [80] |
Ogmore Castle |
| Castle | Free | The Vale of Glamorgan | St Bride's Major | Glamorganshire | SS881769 | 51.4805°N 3.6115°W / 51.4805; -3.6115 (Ogmore Castle) | [81] |
Old Beaupre Castle |
| Castle | Free | The Vale of Glamorgan | Llanfair | Glamorganshire | ST008720 | 51.4385°N 3.4274°W / 51.4385; -3.4274 (Old Beaupre Castle) | [82] |
Oxwich Castle |
| Castle | Pay | Swansea | Penrice | Glamorganshire | SS497862 | 51.5555°N 4.1683°W / 51.5555; -4.1683 (Oxwich Castle) | [83] |
Parc le Breos |
| Burial Chamber | Free | Swansea | Ilston | Glamorganshire | SS537898 | 51.5883°N 4.1128°W / 51.5883; -4.1128 (Parc le Breos Burial Chamber) | [84] |
Penarth Fawr |
| Medieval House | ? | Gwynedd | Llanystumdwy | Caernarvonshire | SH419376 | 52.9132°N 4.3524°W / 52.9132; -4.3524 (Penarth Fawr Medieval House) | [85] |
Penmon Cross |
| Religious | Free | Isle of Anglesey | Llangoed | Anglesey | SH630807 | 53.3058°N 4.0568°W / 53.3058; -4.0568 (Penmon Cross) | [86] |
Penmon Dovecote |
| Domestic | Free | Isle of Anglesey | Llangoed | Anglesey | SH631807 | 53.3056°N 4.0557°W / 53.3056; -4.0557 (Penmon Dovecote) | [87] |
Penmon Priory |
| Religious | Free | Isle of Anglesey | Llangoed | Anglesey | SH630807 | 53.3055°N 4.0568°W / 53.3055; -4.0568 (Penmon Priory) | [88] |
St Seiriol's Well |
| Religious | Free | Isle of Anglesey | Llangoed | Anglesey | SH630808 | 53.3064°N 4.0566°W / 53.3064; -4.0566 (Penmon, St Seiriol's Well) | [89] |
Penrhos Feilw Standing Stones |
| Prehistoric | Free | Isle of Anglesey | Trearddur | Anglesey | SH227809 | 53.2957°N 4.6618°W / 53.2957; -4.6618 (Penrhos Feliw Standing Stones) | [90] |
Pentre Ifan |
| Burial Chamber | Free | Pembrokeshire | Nevern | Pembrokeshire | SN099370 | 51.9991°N 4.7701°W / 51.9991; -4.7701 (Pentre Ifan Burial Chamber) | [91] |
Plas Mawr, Conwy |
| Domestic | Pay | Conwy | Conwy | Caernarvonshire | SH780775 | 53.2812°N 3.83°W / 53.2812; -3.83 (Plas Mawr) | [92] |
Pont Minllyn |
| Bridge | Free | Gwynedd | Mawddwy | Merionethshire | SH859138 | 52.7106°N 3.6891°W / 52.7106; -3.6891 (Pont Minllyn) | [93] |
Presaddfed |
| Burial Chamber | Free | Isle of Anglesey | Bodedern | Anglesey | SH347808 | 53.2992°N 4.4809°W / 53.2992; -4.4809 (Presaddfed Burial Chamber) | [94] |
Raglan Castle |
| Castle | Pay | Monmouthshire | Raglan | Monmouthshire | SO417085 | 51.7702°N 2.8498°W / 51.7702; -2.8498 (Raglan Castle) | [95] |
Rhuddlan Castle |
| Castle | Pay | Denbighshire | Rhuddlan | Flintshire | SJ024779 | 53.2891°N 3.465°W / 53.2891; -3.465 (Rhuddlan Castle) | [96] |
Rug Chapel |
| Religious | Pay | Denbighshire | Corwen | Merionethshire | SJ064438 | 52.9842°N 3.3942°W / 52.9842; -3.3942 (Rug Chapel / Llangar Old Parish Church) | [97] |
Runston Chapel |
| Religious | | Monmouthshire | Mathern | Monmouthshire | ST496915 | 51.6204°N 2.7293°W / 51.6204; -2.7293 (Runston Chapel) | [98] |
Segontium Roman Fort |
| Roman Fort | Free | Gwynedd | Caernarfon | Caernarvonshire | SH485624 | 53.1372°N 4.2662°W / 53.1372; -4.2662 (Segontium Roman Fort) | [99] |
Skenfrith Castle |
| Castle | Free | Monmouthshire | Llangattock-Vibon-Avel | Monmouthshire | SO456203 | 51.8786°N 2.7904°W / 51.8786; -2.7904 (Skenfrith Castle) | [100] |
St Cybi's Well |
| Religious | Free | Gwynedd | Llangybi | Gwynedd | SH427413 | 52.945735°N 4.342090°W / 52.945735; -4.342090 (St Cybi's Well) | [101] |
St Davids Bishop's Palace |
| Religious | Pay | Pembrokeshire | St Davids | Pembrokeshire | SM750254 | 51.8821°N 5.2708°W / 51.8821; -5.2708 (St Davids Bishop's Palace) | [102] |
St Dogmaels Abbey |
| Religious | Free | Pembrokeshire | St Dogmaels | Pembrokeshire | SN164458 | 52.0806°N 4.6806°W / 52.0806; -4.6806 (St Dogmaels Abbey and Coach House) | [103] |
St Lythans burial chamber |
| Burial Chamber | Free | The Vale of Glamorgan | Wenvoe | Glamorganshire | ST100723 | 51.4426°N 3.2951°W / 51.4426; -3.2951 (St Lythans Burial Chamber) | [104] |
St Non's Chapel |
| Religious | Free | Pembrokeshire | St Davids | Pembrokeshire | SM750243 | 51.8722°N 5.2689°W / 51.8722; -5.2689 (St Non's Chapel) | [105] |
St Quentin's Castle, Llanblethian |
| Castle | Free | The Vale of Glamorgan | Cowbridge with Llanblethian | Glamorganshire | SS989741 | 51.4576°N 3.4564°W / 51.4576; -3.4564 (St Quentin's Castle, Llanblethian) | [106] |
St Winefride's Chapel and Holywell |
| Religious | Free | Flintshire | Holywell | Flintshire | SJ185762 | 53.2771°N 3.2236°W / 53.2771; -3.2236 (St Winifred's Chapel and Holy Well) | [107] |
Strata Florida Abbey |
| Religious | Pay | Ceredigion | Ystrad Fflur | Cardiganshire | SN746657 | 52.2752°N 3.8383°W / 52.2752; -3.8383 (Strata Florida Abbey) | [108] |
Swansea Castle |
| Castle | Free (External only) | Swansea | Swansea | Glamorganshire | SS657930 | 51.6205°N 3.9411°W / 51.6205; -3.9411 (Swansea Castle) | [109] |
Talley Abbey |
| Religious | Free | Carmarthenshire | Talley | Carmarthenshire | SN632327 | 51.9765°N 3.9922°W / 51.9765; -3.9922 (Talley Abbey) | [110] |
Tinkinswood |
| Burial Chamber | Free | The Vale of Glamorgan | St Nicholas and Bonvilston | Glamorganshire | ST092732 | 51.4513°N 3.3072°W / 51.4513; -3.3072 (Tinkinswood Burial Chamber) | [111] |
Tintern Abbey |
| Religious | Pay | Monmouthshire | Tintern | Monmouthshire | SO533000 | 51.6969°N 2.6768°W / 51.6969; -2.6768 (Tintern Abbey) | [112] |
Trefignath |
| Burial Chamber | Free | Isle of Anglesey | Trearddur | Anglesey | SH258805 | 53.2932°N 4.6142°W / 53.2932; -4.6142 (Trefignath Burial Chamber) | [113] |
Tregwehelydd Standing Stone |
| Prehistoric | Free | Isle of Anglesey | Tref Alaw | Anglesey | SH340831 | 53.3195°N 4.4926°W / 53.3195; -4.4926 (Tregwehelydd Standing Stone) | [114] |
Tretower Castle |
| Castle | Pay | Powys | Llanfihangel Cwmdu | Brecknockshire | SO184212 | 51.8839°N 3.1862°W / 51.8839; -3.1862 (Tretower Castle) | [115] |
Tretower Court |
| Castle | Pay | Powys | Llanfihangel Cwmdu | Brecknockshire | SO185211 | 51.8832°N 3.1846°W / 51.8832; -3.1846 (Tretower Court) | [116] |
Twthill |
| Castle Mound | Free | Denbighshire | Rhuddlan | Flintshire | SJ026776 | 53.2871°N 3.4619°W / 53.2871; -3.4619 (Twthill, Rhuddlan) | [117] |
Tŷ Mawr Standing Stone |
| Prehistoric | Free | Isle of Anglesey | Holyhead | Anglesey | SH253809 | 53.2967°N 4.6214°W / 53.2967; -4.6214 (Ty Mawr Standing Stone) | [118] |
Tŷ Newydd Burial Chamber |
| Burial Chamber | Free | Isle of Anglesey | Llanfaelog | Anglesey | SH344738 | 53.2359°N 4.4824°W / 53.2359; -4.4824 (Tŷ Newydd Burial Chamber) | [119] |
Valle Crucis Abbey |
| Religious | Pay | Denbighshire | Llantysilio | Denbighshire | SJ204441 | 52.9888°N 3.1867°W / 52.9888; -3.1867 (Valle Crucis Abbey) | [120] |
Weobley Castle |
| Castle | Pay | Swansea | Llanrhidian Lower | Glamorganshire | SS478927 | 51.6128°N 4.1993°W / 51.6128; -4.1993 (Weobley Castle) | [121] |
White Castle |
| Castle | Free | Monmouthshire | Llantilio Crossenny | Monmouthshire | SO379167 | 51.8461°N 2.9022°W / 51.8461; -2.9022 (White Castle) | [122] |
Wiston Castle |
| Castle | Free | Pembrokeshire | Wiston | Pembrokeshire | SN022181 | 51.8268°N 4.8711°W / 51.8268; -4.8711 (Wiston Castle) | [123] |