The Megalith Map

Megalithic and Prehistoric sites on map square SN

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Aber Camddwr Cairn in Ceredigion at SN751870
Condition: 4 , Ambience: 4 , Access: 5

Aberyscir Ring Cairn in Powys at SN989305
Condition: 2

Aelybryn Standing Stone (Menhir) in Carmarthenshire (Sir Caerfyrddin) at SN40053785
Condition: 2 , Ambience: 3 , Access: 2

Afon Cammarch Cairn in Powys at SN87565642

Allt Cunedda Barrow Cemetery in Carmarthenshire (Sir Caerfyrddin) at SN40640897

Allt Pengegin isaf Ancient Village or Settlement in Pembrokeshire (Sir Benfro) at SN031340
Condition: 2 , Access: 1

Allt Penrhiw Ancient Village or Settlement in Pembrokeshire (Sir Benfro) at SN030341
Condition: 3 , Access: 1

Ammanford Gorsedd Stone Circle Modern Stone Circle / Monolith in Carmarthenshire (Sir Caerfyrddin) at SN62931282
Condition: 4 , Access: 5

Arhosfar Garreg-Lwyd Cairn in Carmarthenshire (Sir Caerfyrddin) at SN80762587

Arthur's Table Standing Stones in Carmarthenshire (Sir Caerfyrddin) at SN465177

Ban-Y-Felin Burnt Mound Misc. Earthwork in Carmarthenshire (Sir Caerfyrddin) at SN29963633

Banc Crucorfod Round Cairn Round Cairn in Carmarthenshire (Sir Caerfyrddin) at SN67021587
Condition: 3 , Access: 3

Banc Du (Pembs) Standing Stone (Menhir) in Pembrokeshire (Sir Benfro) at SN062344
Condition: 4 , Ambience: 2 , Access: 2

Banc Llwydlos Ancient Village or Settlement in Pembrokeshire (Sir Benfro) at SN093331
Condition: 2 , Access: 2

Banc Paderau Ring Cairn in Powys at SN876525
Condition: 2

Banc Rhosgoch Fach Stone Row / Alignment in Ceredigion at SN435541
Condition: 3

Banc Troed Rhiw Seiri Ring Cairn in Ceredigion at SN6679385583

Banc Ystrdd-Wen Ring Cairn in Powys at SN981615
Condition: 2

Banc-Y-Geufron Cairn in Ceredigion at SN71637033

Bannau Sir Gaer Stone Circle in Carmarthenshire (Sir Caerfyrddin) at SN809244
Condition: 2

Banwen Gwys 1 Cairn in Powys at SN7984818471
Condition: 2 , Ambience: 5 , Access: 1

Banwen Gwys 2 Cairn in Powys at SN7977318259
Condition: 2 , Ambience: 5 , Access: 1

Bedd Arthur Stone Circle in Pembrokeshire (Sir Benfro) at SN131324
Condition: 4 , Ambience: 5 , Access: 3

Bedd Llywarch Standing Stones in Powys at SN96251604
Condition: 3 , Ambience: 5 , Access: 1

Bedd Morris Standing Stone (Menhir) in Pembrokeshire (Sir Benfro) at SN0381836502
Condition: 4 , Ambience: 2 , Access: 5

Bedd Taliesin Round Cairn in Ceredigion at SN671912
Condition: 3 , Ambience: 3 , Access: 5

Bedd yr Afanc Passage Grave in Pembrokeshire (Sir Benfro) at SN109346
Condition: 3 , Ambience: 4 , Access: 2

Beddau Folau Chambered Cairn Cairn in Powys at SN922659

Belle Vue Standing Stone (Menhir) in Pembrokeshire (Sir Benfro) at SN152115
Condition: 4 , Ambience: 3 , Access: 2

Bernard's Well Mountain Ancient Village or Settlement in Pembrokeshire (Sir Benfro) at SN057294
Condition: 3 , Access: 2

Berrach Earthwork Misc. Earthwork in Carmarthenshire (Sir Caerfyrddin) at SN576189

Billy Wern Spring Holy Well or Sacred Spring in Powys at SN938501

Blaen Glas ffrwd Standing Stone Standing Stone (Menhir) in Ceredigion at SN769631

Blaen Glasffrwd Cairn Field Cairn in Ceredigion at SN771631

Blaen Hepste Henge in Mid Glamorgan at SN9633012960
Condition: 2

Blaen Marchnant Cairn in Ceredigion at SN77857040

Blaen-Nedd Isaf Ring Cairn in Powys at SN907147
Condition: 3

Blaenffynhonnau Hut Circle Ancient Village or Settlement in South Glamorgan at SN63900783

Blaenfos 1 Standing Stone (Menhir) in Pembrokeshire (Sir Benfro) at SN193370
Condition: 4 , Access: 2

Blaenfos 2 Standing Stone (Menhir) in Pembrokeshire (Sir Benfro) at SN193372
Condition: 4 , Access: 2

Blaenglyn Cairn in Powys at SN974221
Condition: 3 , Ambience: 4 , Access: 3

Blaengowonfawr Round Barrow(s) in Ceredigion at SN39905142

Blaennantrhys Cairn 1 Cairn in Carmarthenshire (Sir Caerfyrddin) at SN40933607
Condition: 2

Blaennantrhys Cairn 2 Ring Cairn in Carmarthenshire (Sir Caerfyrddin) at SN40943607
Condition: 2

Blaennantrhys Cairn 3 Cairn in Carmarthenshire (Sir Caerfyrddin) at SN41123592
Condition: 2

Blaenrhondda Ancient Village Ancient Village or Settlement in Mid Glamorgan at SN92160193

Borth Sands Submerged Forest Natural Stone / Erratic / Other Natural Feature in Ceredigion at SN60429255

Bow Street Ancient Village or Settlement in Ceredigion at SN6223584325

Brechfa Ancient Village or Settlement in Pembrokeshire (Sir Benfro) at SN0943322461

Brechfa South Ancient Village or Settlement in Pembrokeshire (Sir Benfro) at SN0962821643

Briddell Felen A Standing Stone (Menhir) in Powys at SN93226964
Condition: 4 , Ambience: 4 , Access: 4

Briddell Felen B Chambered Tomb in Powys at SN93256957
Condition: 2 , Ambience: 4 , Access: 4

Bridell Churchyard Standing Stone (Menhir) in Pembrokeshire (Sir Benfro) at SN176421
Condition: 4 , Ambience: 3 , Access: 4

Brownhill Round Barrow Cairn in Carmarthenshire (Sir Caerfyrddin) at SN65551535

Bryn Cywyn Ancient Village or Settlement in Carmarthenshire (Sir Caerfyrddin) at SN33551660
Condition: 2 , Ambience: 3 , Access: 3

Bryn Elen round cairn Round Cairn in Carmarthenshire (Sir Caerfyrddin) at SN80922562
Condition: 2 , Ambience: 4 , Access: 2

Bryn Goleu Cairn in Ceredigion at SN62434712
Condition: 1 , Ambience: 2 , Access: 2

Bryn Maen Caerau Ancient Village or Settlement in Ceredigion at SN59704836

Bryn Melin Ring Cairn in Powys at SN889369
Condition: 3

Bryn y Gorlan Stone Circle in Ceredigion at SN749547
Condition: 3 , Ambience: 4 , Access: 2

Bryn yr Aran Stone Circle in Powys at SN935953
Condition: 2 , Ambience: 1 , Access: 2

Bryn-Y-Rhyd Standing Stone (Menhir) in Carmarthenshire (Sir Caerfyrddin) at SN58830835

Brynaman Rock Art in Carmarthenshire (Sir Caerfyrddin) at SN7146518453

Brynberian Round Barrow(s) in Pembrokeshire (Sir Benfro) at SN112351
Condition: 1

Brynmaen Standing Stone Standing Stone (Menhir) in Carmarthenshire (Sir Caerfyrddin) at SN5552706764
Condition: 5 , Ambience: 4 , Access: 4

Bryntirion Well Holy Well or Sacred Spring in Ceredigion at SN65158407

Budloy Stone Standing Stone (Menhir) in Pembrokeshire (Sir Benfro) at SN06562853
Condition: 4 , Ambience: 4 , Access: 2

Bull Hall Crug Cairn in Carmarthenshire (Sir Caerfyrddin) at SN46272631

Buwch a'r Llo Standing Stones in Ceredigion at SN723834
Condition: 4 , Ambience: 4 , Access: 3

Bwlch Cerrig Duon Cist Cairn in Powys at SN85682272
Condition: 2 , Ambience: 3 , Access: 5

Bwlch Garreg-Llwyd Standing Stone (Menhir) in Pembrokeshire (Sir Benfro) at SN15613972

Bwlch Graig Goch Cairn Cairn in Ceredigion at SN76558701

Bwllch Cerrig Duon Barrow Round Barrow(s) in Powys at SN85552235
Condition: 3 , Ambience: 3 , Access: 5

Bylchau Blaenclydach Stone Standing Stone (Menhir) in Carmarthenshire (Sir Caerfyrddin) at SN804265
Condition: 4 , Ambience: 5 , Access: 5

Cadair Fawr Cairn Cairn in Powys at SN9773612218
Condition: 2 , Ambience: 5 , Access: 2

Cae Garreg Stone Row / Alignment in Powys at SN963777
Condition: 1

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Ordnance Survey Maps from Amazon.co.uk

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With thanks to Alastair McIvor for development of the original Megalith Map.