Ancient Monuments

History on the Ground

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Scheduled Ancient Monuments in the Historic County of Merionethshire

  1. Afon Arthog cup-marked rock
    Arthog
  2. Afon Arthog standing stone
    Arthog
  3. Afon Cynfal Deserted Rural Settlement
    Ffestiniog
  4. Afon Goch Deserted Rural Settlement
    Ffestiniog
  5. Afon Prysor, cairn to north west of
    Trawsfynydd
  6. Allt Lwyd Bronze Age Ritual Complex
    Llanegryn
  7. Allt Lwyd Cairn I
    Llanegryn
  8. Allt Lwyd Cairn II
    Llangelynin
  9. Alltwyllt Slate Quarry Incline
    Llanfihangel-y-Pennant
  10. Anti-invasion Defences 2000m north east of Cwmrhwyddfor Farm
    Dolgellau
  11. Anti-invasion Defences 630m east of Cae'r-tyddyn
    Brithdir and Llanfachreth
  12. Aran Fawddwy Cairn
    Llanuwchllyn
  13. Arenig Fawr Cairn
    Llanycil
  14. Arthog Standing Stones
    Arthog
  15. Bancian Duon Hut Circle Settlement and Deserted Rural Settlement
    Llanuwchllyn
  16. Bedd Gorfal Ring Cairn
    Llanfair
  17. Bedd-y-Brenin Round Cairn
    Arthog
  18. Berth Ddu Hut Circles
    Dyffryn Ardudwy
  19. Berth-Llwyd & Cefn Coch Gold Mining Complex
    Ganllwyd
  20. Blaen Llynor round cairn
    Llandrillo
  21. Blaen-y-Cwm Inscribed Stone (Now in Llandrillo Church)
    Llandrillo
  22. Branas-Uchaf Round Barrow
    Llandrillo
  23. Brithdir Roman Fort
    Brithdir and Llanfachreth
  24. Bron-Llety-Ifan cairns and cup-marked rock
    Arthog
  25. Bron-y-Foel West Burial Chamber
    Dyffryn Ardudwy
  26. Brwyn-Llynau Enclosed Settlement
    Llanfair
  27. Bryn Cader-Faner Round Cairn Photos
    Talsarnau
  28. Bryn Dinas Cairn
    Tywyn
  29. Bryn Seward Standing Stones and Field System with Associated Cairns
    Arthog
  30. Bryn-y-Castell Hillfort
    Ffestiniog
  31. Bwlch y Rhiwgyr cairn
    Barmouth
  32. Bwlch y Rhiwgyr, cairn 350m to south west of
    Barmouth
  33. Bwrdd y Tri Arglwydd Boundary Stone
    Bryneglwys
  34. Byrllysg promontory fort
    Dyffryn Ardudwy
  35. Cader Bronwen Round Barrow
    Llandrillo
  36. Caer Drewen Camp
    Corwen
  37. Caer Euni Camp
    Llandderfel
  38. Caer Euni Stone Circles
    Llandderfel
  39. Caer Gai Roman Site
    Llanuwchllyn
  40. Cairn 200m south east of Foel Ystrodur Fawr
    Llanuwchllyn
  41. Cairn 225m south of Moel Caws Photos
    Llanuwchllyn
  42. Cairn 300m south east of Bryn Cau
    Llanuwchllyn
  43. Cairns, Settlements & Field Systems of Prehistoric & Medieval date at Pennant above Nant Esgeiriau
    Llandrillo
  44. Capel Maethlon round barrow
    Tywyn
  45. Carnedd Lwyd cairns
    Arthog
  46. Carnedd y Ci Barrow
    Llandrillo
  47. Carnedd y Filiast Cairn
    Cerrigydrudion
  48. Carneddau Hengwm Long Cairns
    Dyffryn Ardudwy
  49. Castell Carn Dochan
    Llanuwchllyn
  50. Castell Cynfal, Bryn Crug
    Bryn-crug
  51. Castell Gronw Castle Mound Photos
    Llangywer
  52. Castell Prysor
    Trawsfynydd
  53. Castell Tomen y Mur
    Maentwrog
  54. Castell y Bere Photos
    Llanfihangel-y-Pennant
  55. Castell y Gaer
    Llangelynin
  56. Castell-Mawr
    Llangelynin
  57. Cefn Caer Euni Round Cairn
    Llandderfel
  58. Cefn Clawdd Early Settlement and Fields Photos
    Trawsfynydd
  59. Cefn Clawdd Ring Cairn
    Trawsfynydd
  60. Cefn Coch Cairn and Cist
    Ganllwyd
  61. Cefn Ddwysarn Camp
    Llandderfel
  62. Cefn Penagored Cairn and Ring Cairn
    Llandrillo
  63. Cefn Penagored Ridge Cairns
    Llandrillo
  64. Cefn-Caer Roman Site
    Pennal
  65. Cefnfilltir Enclosed Homestead
    Harlech
  66. Cei Tyddyn Isa Photos
    Penrhyndeudraeth
  67. Cerrig Arthur Stone Circle
    Barmouth
  68. Ceunant Egryn Enclosed Settlement
    Dyffryn Ardudwy
  69. Ceunant Egryn Hut Group
    Dyffryn Ardudwy
  70. Clogwyn Arllef Hillfort & Field System
    Llanbedr
  71. Coed Cae Fali Hut Circle Settlement
    Penrhyndeudraeth
  72. Coed Llynor long hut
    Llandrillo
  73. Coed Pen-y-Bryn Defended Settlement
    Llanelltyd
  74. Coety Bach Homestead
    Talsarnau
  75. Coety Mawr Round Hut and Enclosure
    Talsarnau
  76. Corn Drying Kiln Near Carn-Gadell Uchaf
    Llangelynin
  77. Cors-y-Gedol Burial Chamber Photos
    Dyffryn Ardudwy
  78. Cors-y-Gedol Settlements & Field System
    Dyffryn Ardudwy
  79. Corwen Churchyard Cross
    Corwen
  80. Craig Las cairn
    Arthog
  81. Craig y Ganllwyd Cairn and Cist
    Ganllwyd
  82. Craig yr Aderyn Hillfort
    Llanfihangel-y-Pennant
  83. Craig yr Uchain
    Llandrillo
  84. Craig-y-Ddinas Camp
    Dyffryn Ardudwy
  85. Croes Faen Standing Stone Photos
    Tywyn
  86. Crop marks (revealed by Aerial photography) south east of Pen-y-Sarn, Bryn-Crug
    Bryn-crug
  87. Cwm Heisian West Lead and Gold Mine
    Ganllwyd
  88. Cwm Moch Settlement
    Trawsfynydd
  89. Cwm Tywyll House Platforms
    Llandrillo
  90. Cyfannedd-Fach Homestead
    Arthog
  91. Cymer Abbey Photos
    Llanelltyd
  92. Cymmer Castle
    Llanelltyd
  93. Deeside Slateworks
    Corwen
  94. Defended Settlement 150m north west of Plas Ynysfor
    Llanfrothen
  95. Deserted Rural Settlement North of Llyn y Fedw Photos
    Talsarnau
  96. Deserted Rural Settlement South of Ffridd Olchfa
    Barmouth
  97. Dinas Melin-y-Wig
    Betws Gwerfil Goch
  98. Dol-ddinas Roman Earthworks
    Trawsfynydd
  99. Dolddeuli Standing Stone
    Llanuwchllyn
  100. Domen Ddreiniog
    Llanegryn
  101. Dyffryn Burial Chamber Photos
    Dyffryn Ardudwy
  102. Dysyrnant Platform Cairn
    Tywyn
  103. Eglwys Gwyddelod Stone Circle
    Pennal
  104. Eithin-Fynydd Platform House Settlement
    Dyffryn Ardudwy
  105. Enclosed Hut Circle North of Tyddyn Mawr
    Dyffryn Ardudwy
  106. Enclosed Hut Circle Settlement and Long huts east of Egryn Abbey
    Dyffryn Ardudwy
  107. Enclosed Hut Circle Settlement at Dolbelydr
    Trawsfynydd
  108. Enclosed Hut Circle Settlement at Fridd Bodyfyddau
    Trawsfynydd
  109. Enclosed Hut Circle Settlement South East of Yr Onen
    Talsarnau
  110. Enclosed Hut Group at Nurse Cae Du
    Maentwrog
  111. Enclosure & Settlement 400m East of Cyfannedd Fawr
    Arthog
  112. Enclosure and Early Field System North of Fronhill, Llanfair
    Llanfair
  113. Enclosure near Bron y Foel, Moelfre
    Dyffryn Ardudwy
  114. Erw Wen Prehistoric and Medieval Settlement
    Harlech
  115. Fairbourne Anti-invasion Defences
    Arthog
  116. Ffridd Braich Llwyd Bronze Age Ritual Complex
    Mawddwy
  117. Ffridd Camen Hafodydd
    Llandrillo
  118. Ffridd Camen Long Hut
    Llandrillo
  119. Ffridd Fechan Fort
    Barmouth
  120. Ffridd Fedw Round Hut, Enclosure, Ancient Fields and Kerb Cairn
    Talsarnau
  121. Ffridd Fron Kerb Cairn
    Llanbedr
  122. Ffridd yr Eglwys Deserted Rural Settlement
    Llandrillo
  123. Foel Cwm-sian Llwyd cairn
    Llandderfel
  124. Foel Faner Defended Enclosure
    Llanelltyd
  125. Foel y Geifr Cairn
    Llanwddyn
  126. Fonlief Hir Standing Stones
    Harlech
  127. Fortified Settlement at Bryn Castell
    Llanelltyd
  128. Fridd round barrows
    Corris
  129. Fron-Galed Homestead
    Dyffryn Ardudwy
  130. Gamallt Hut Circle Settlement
    Ffestiniog
  131. Garnedd Wen Cairn
    Llandderfel
  132. Garreg Round Cairn
    Harlech
  133. Glasdir Copper and Gold Mine Mill
    Ganllwyd
  134. Groes Las Prehistoric Settlement & Field System
    Harlech
  135. Group of Standing Stones 810m South West of Bryn Seward
    Arthog
  136. Gwerclas Mound
    Cynwyd
  137. Gwern Einion Burial Chamber
    Llanfair
  138. Gwern Wynodl Hafod
    Llandrillo
  139. Harlech Castle Photos
    Harlech
  140. Hengaeau Standing Stone
    Llanfair
  141. Hengwm Stone Circles
    Dyffryn Ardudwy
  142. Hermon or Dolfwynog Copper/Gold Bog Kiln
    Ganllwyd
  143. Hut Circle (and Early Field System ) on Bryn Seward
    Arthog
  144. Hut Circle 800m West of Moelfryn-Isaf
    Trawsfynydd
  145. Hut Circle and Field System at Craiglaseithin
    Trawsfynydd
  146. Hut Circle at Afon Graig Wen
    Trawsfynydd
  147. Hut Circle at Gellfawr
    Barmouth
  148. Hut Circle at Llyn Morwynion, Ffestiniog
    Ffestiniog
  149. Hut Circle East of Cymerau Uchaf Photos
    Ffestiniog
  150. Hut Circle near Gerddi Bluog
    Llanbedr
  151. Hut Circle North-East of Moel Goedog
    Talsarnau
  152. Hut Circle Settlement and Cairn Field West of Llyn Eiddew Bach
    Talsarnau
  153. Hut Circle Settlement at Bwlch Tyddiad
    Llanbedr
  154. Hut Circle Settlement at Craig Ty'n-y-Cornel
    Llanfihangel-y-Pennant
  155. Hut Circle Settlement at Crawcwellt South
    Trawsfynydd
  156. Hut Circle Settlement at Gelli Gonan
    Ffestiniog
  157. Hut Circle Settlement at Nant Ddu
    Ffestiniog
  158. Hut Circle Settlement East of Caer-Cynog
    Llanbedr
  159. Hut Circle Settlement in Cwm Gelli Iago (North)
    Beddgelert
  160. Hut Circle Settlement in Cwm Gelli Iago (South)
    Llanfrothen
  161. Hut Circle Settlement in Cwm Gelli Iago (West)
    Beddgelert
  162. Hut Circle Settlement North-East of Moel-y-Gerddi
    Llanbedr
  163. Hut Circle South of Cyfannedd Fawr
    Arthog
  164. Hut Circle South of Tyddyn-Du
    Llanfair
  165. Hut Circle West of Merthyr Farm
    Harlech
  166. Hut Circle West of Pen-y-Bryn
    Llanbedr
  167. Hut Circles East of Moel Geifr
    Talsarnau
  168. Hut Enclosure and Early Field System South of Mynydd Graigwen
    Arthog
  169. Hut Group & Enclosures 117m south of Moel Caws Photos
    Llanuwchllyn
  170. Hut Group 530m SSE of Cyfannedd Fawr
    Arthog
  171. Hut Group and Enclosures on south west Slope of Moelfre
    Dyffryn Ardudwy
  172. Hut Groups south of Bwlch-y-Ffordd
    Ganllwyd
  173. Inscribed Stone in Llanfihangel Traethau Churchyard Photos
    Talsarnau
  174. Llanbedr Standing Stones
    Llanbedr
  175. Llanelltyd Bridge
    Llanelltyd
  176. Llanfor Roman Fort and Camps (revealed by Aerial Photography)
    Llandderfel
  177. Llangar Old Parish Church & Churchyard Photos
    Cynwyd
  178. Llech Idris
    Trawsfynydd
  179. Llecheiddior Round Cairns
    Dyffryn Ardudwy
  180. Llecheiddior Stone Circle
    Dyffryn Ardudwy
  181. Llechlwyd Hillfort
    Llangelynin
  182. Llechwedd Erwent Hut Circle Settlement
    Llanuwchllyn
  183. Llidiart-Garw Platform House and Paddock
    Talsarnau
  184. Llwyn du Parc cairn
    Barmouth
  185. Llyn Eiddew Bach Ring Cairn I
    Talsarnau
  186. Llyn Eiddew Bach Ring Cairn II
    Talsarnau
  187. Llyn Eiddew Bach Round Cairns
    Talsarnau
  188. Llyn Gafr Hut Circle
    Arthog
  189. Llyn Gafr Standing stone
    Dolgellau
  190. Llynnau Cregennen Standing Stone
    Arthog
  191. Llys Bradwen Medieval Site
    Arthog
  192. Lockheed P-38 Lightning Aircraft, Intertidal zone, Morfa Harlech
    Harlech
  193. Maen Llwyd Standing Stones
    Trawsfynydd
  194. Maen y Rhos Standing Stone
    Llandderfel
  195. Maes Coch Deserted Rural Settlement
    Dolgellau
  196. Maes Coch Hut Circles
    Dolgellau
  197. Maes y Caerau Homestead
    Talsarnau
  198. Medieval Ecclesiastical Structure south east of Ty'n y Coed Cottage Photos
    Llanbedr
  199. Moel Fodig Camp
    Corwen
  200. Moel Goedog Camp Photos
    Harlech
  201. Moel Goedog Round Cairns & Standing Stones
    Harlech
  202. Moel Offrwm Camp
    Brithdir and Llanfachreth
  203. Moel Offrwm Lower Camp
    Brithdir and Llanfachreth
  204. Moel Ty-Uchaf Circles
    Llandrillo
  205. Moel y Glo Homestead & Burnt Mound
    Talsarnau
  206. Moel yr Henfaes cairn cemetery
    Cynwyd
  207. Moel yr Henfaes ring cairn
    Cynwyd
  208. Muriau'r Gwyddelod Ancient Village
    Harlech
  209. Mynydd Egryn Ring Cairn
    Dyffryn Ardudwy
  210. Mynydd Egryn Settlement
    Dyffryn Ardudwy
  211. Mynydd Mynyllod Enclosure
    Llandderfel
  212. Mynydd Rhyd Ddu Enclosure
    Betws Gwerfil Goch
  213. Nant Croes-y-wernen stone circle
    Cynwyd
  214. Nant Esgeiriau Cairn
    Llandrillo
  215. Nant Gwyn long hut
    Llandrillo
  216. Nant Gwyn round cairns
    Llandrillo
  217. Nant Helygog ring cairn
    Brithdir and Llanfachreth
  218. Owain Glyndwr's Mount
    Corwen
  219. Parth-y-Gwyddwch, Standing Stones 150m north of
    Llangelynin
  220. Pen y Ddinas Camp
    Dyffryn Ardudwy
  221. Pen y Dinas Cairn
    Dyffryn Ardudwy
  222. Pen-Ucha'r-Llan Ringwork
    Llandderfel
  223. Pennant Cairns
    Llandrillo
  224. Pentre Farm Barrow
    Llanelltyd
  225. Platform Settlement by Clochnant east of Cadwst
    Llandrillo
  226. Pont Carrog
    Corwen
  227. Pont Cilan
    Llandrillo
  228. Pont Dol-y-Moch
    Ffestiniog
  229. Pont Dyfrdwy Photos
    Cynwyd
  230. Pont Fawr Photos
    Llandderfel
  231. Pont Llanbedr
    Llanbedr
  232. Pont Maesgwm Deserted Rural Settlement
    Llanfrothen
  233. Pont Minllyn Photos
    Mawddwy
  234. Pont Scethin
    Dyffryn Ardudwy
  235. Pont Tai-Hirion Old Bridge Photos
    Llanycil
  236. Rhosydd Incline, Drumhouse & Tramway
    Llanfrothen
  237. Rhug ornamental wrought iron gates
    Corwen
  238. Ring Cairn east of Ffridd Camen
    Llandrillo
  239. Roman Kilns 225m south east of Pen-y-Stryd
    Trawsfynydd
  240. Roman Practice Camp 440m WSW of Braich-Ddu
    Trawsfynydd
  241. Roman Practice Camps 190m west of Llyn Hiraethlyn
    Trawsfynydd
  242. Roman Road extending south east 650m from Llyn Hiraethlyn toward Glasgoed
    Trawsfynydd
  243. Round Hut and Cairns on north west Slope of Braich Ddu
    Arthog
  244. Rug Chapel
    Corwen
  245. Rug Mound
    Corwen
  246. Settlement & Fields Systems above Egryn Abbey
    Dyffryn Ardudwy
  247. Settlement 400m south east of Moel Goedog
    Harlech
  248. Settlement 500m south east of Moel Goedog
    Harlech
  249. Settlement and Field System at Bron y Foel Uchaf
    Dyffryn Ardudwy
  250. Settlement east of Eisingrug
    Talsarnau
  251. Settlements south west of Bryn Cader Faner
    Talsarnau
  252. Standing Stone south of Cerrig-y-Cledd
    Barmouth
  253. Tal y Waen cairns
    Dolgellau
  254. Tal-y-Gareg Camp
    Llangelynin
  255. Tan-y-Coed Burial Chamber Photos
    Cynwyd
  256. Tarren Hendre Cairn
    Pennal
  257. The Cregennen Cairns and Standing Stones
    Arthog
  258. Tomen Las Castle Mound
    Pennal
  259. Tomen y Bala Castle Mound Photos
    Bala
  260. Tomen y Mur
    Maentwrog
  261. Twll y Darren Round Barrow
    Llanegryn
  262. Two Cairns North of Plasnewydd
    Corwen
  263. Two Ring Cairns West of Cwm Tywyll
    Llandrillo
  264. Ty'n y Berllan Settlement
    Penrhyndeudraeth
  265. Tyddyn Bach Round Barrow
    Brithdir and Llanfachreth
  266. Tyddyn Du Enclosed Settlement
    Llanfair
  267. Tyddyn Sion Wyn Ring Cairn
    Talsarnau
  268. Tyddyn-y-Coed Camp
    Arthog
  269. Tyfos Stone Circle
    Llandrillo
  270. Unenclosed Hut Circle Settlement at Bryn Derw
    Llanfrothen
  271. Unenclosed Hut Circle Settlement East of Garth-y-Foel
    Llanfrothen
  272. Waen Bant Standing Stone
    Arthog
  273. Waen Fach Standing Stone
    Llanegryn
  274. Water Balance Incline at Aberllefenni Slate Quarry
    Corris
  275. Water Powered Chain Incline at Bryneglwys Slate Quarry
    Llanfihangel-y-Pennant
  276. Y Gaerwen Enclosure, Llangar
    Llandderfel
  277. Y Gyrn Round Cairns
    Talsarnau

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