List of Scheduled Monuments in Merthyr Tydfil County Borough

Merthyr Tydfil County Borough has 43 Scheduled monuments. The prehistoric scheduled sites include many burial cairns and several defensive enclosures. The Roman period is represented by a Roman Road. The medieval periods include two inscribed stones, several house platforms and two castle sites. Finally the modern period has 14 sites, mainly related to Merthyr's industries, including coal mining, transportation and iron works. Almost all of Merthyr Tydfil was in the historic county of Glamorgan, with several of the northernmost sites having been in Brecknockshire.

Scheduled Ancient Monuments (SAMs) have statutory protection. The compilation of the list is undertaken by Cadw Welsh Historic Monuments, which is an executive agency of the National Assembly of Wales.^[1] The list of scheduled monuments below is supplied by Cadw^[2] with additional material from RCAHMW and Glamorgan-Gwent Archaeological Trust.

Scheduled Monuments in Merthyr Tydfil County Borough

Image	Name	Site type	Community	Location	Details	Historic County	Period	SAM No & Refs
	Gelligaer Standing Stone	Standing stone	Bedlinog	51°43′20″N 3°17′58″W / 51.7221°N 3.2994°W, SO103034	Early Christian inscribed stone, with damage so the inscription is now illegible. It is alongside a Bronze Age burial cairn	Glamorganshire	Prehistoric & early Medieval	GM221 [3]
	Coed Cae Round Cairns	Round cairn	Bedlinog	51°41′21″N 3°18′46″W / 51.6892°N 3.3127°W, ST093997		Glamorganshire	Prehistoric	GM271 [4]
	Gelligaer Common Round Cairns	Round cairn	Bedlinog	51°43′16″N 3°18′03″W / 51.7211°N 3.3007°W, SO102032		Glamorganshire	Prehistoric	GM220 [5]
	Carn Castell y Meibion ring cairn	Ring cairn	Cyfarthfa	51°43′07″N 3°23′52″W / 51.7185°N 3.3979°W, SO035031		Glamorganshire	Prehistoric	GM586 [6]
	Brynbychan Round Cairn	Round cairn	Merthyr Vale, (also Mountain Ash), (see also Rhondda Cynon Taff)	51°40′52″N 3°21′23″W / 51.6812°N 3.3564°W, ST063989		Glamorganshire	Prehistoric	GM286 [7]
	Cefn Merthyr Round Cairns	Cairnfield	Merthyr Vale	51°41′32″N 3°19′43″W / 51.6922°N 3.3287°W, SO082001		Glamorganshire	Prehistoric	GM272 [8]
	Morlais Hill ring cairn	Ring cairn	Pant	51°46′39″N 3°22′29″W / 51.7774°N 3.3747°W, SO052096		Glamorganshire	Prehistoric	GM563 [9]
	Tir Lan round barrow cemetery	Round barrow	Treharris	51°41′09″N 3°18′36″W / 51.6857°N 3.31°W, ST095993		Glamorganshire	Prehistoric	GM270 [10]
	Garn Las Earthwork	Round cairn	Troed-y-rhiw, (also Aberdare), (see also Rhondda, Cynon, Taff)	51°43′29″N 3°24′26″W / 51.7248°N 3.4073°W, SO028038		Glamorganshire	Prehistoric	GM236 [11]
	Merthyr Common Round Cairns	Round cairn	Troed-y-rhiw	51°43′46″N 3°20′09″W / 51.7295°N 3.3357°W, SO078042		Glamorganshire	Prehistoric	GM222 [12]
	Carn Ddu platform cairn	Platform Cairn	Vaynor	51°48′13″N 3°23′59″W / 51.8037°N 3.3998°W, SO035125		Glamorganshire	Prehistoric	GM570 [13]
	Cefn Cil-Sanws ring cairn	Ring cairn	Vaynor	51°47′15″N 3°24′58″W / 51.7875°N 3.4162°W, SO024108		Glamorganshire	Prehistoric	GM567 [14]
	Cefn Cil-Sanws, Cairn on SW side of	Round Cairn	Vaynor	51°46′43″N 3°24′53″W / 51.7785°N 3.4147°W, SO024098		Brecknockshire	Prehistoric	GM599 [15]
	Coetgae'r Gwartheg barrow cemetery	Round cairn	Vaynor	51°47′37″N 3°25′08″W / 51.7935°N 3.419°W, SO022114		Glamorganshire	Prehistoric	GM568 [16]
	Garn Pontsticill ring cairn	Ring cairn	Vaynor	51°47′48″N 3°22′30″W / 51.7966°N 3.375°W, SO052117		Glamorganshire	Prehistoric	GM569 [17]
	Dyke 315m E of Tyla-Glas	Ditch	Bedlinog	51°42′12″N 3°17′15″W / 51.7033°N 3.2876°W, SO111012		Glamorganshire	Prehistoric	GM260 [18]
	Cefn Cil-Sanws Defended Enclosure	Enclosure - Defensive	Vaynor	51°46′47″N 3°24′38″W / 51.7796°N 3.4105°W, SO027099		Brecknockshire	Prehistoric	GM600 [19]
	Enclosure East of Nant Cwm Moel	Enclosure - Defensive	Vaynor	51°47′32″N 3°23′38″W / 51.7922°N 3.394°W, SO039113		Glamorganshire	Prehistoric	GM518 [20]
	Enclosure on Coedcae'r Ychain	Enclosure - Defensive	Vaynor	51°47′29″N 3°25′00″W / 51.7915°N 3.4167°W, SO023112		Glamorganshire	Prehistoric	GM519 [21]
	Gelligaer Common Roman Road	Road	Bedlinog	51°43′21″N 3°18′03″W / 51.7226°N 3.3007°W, SO102034		Glamorganshire	Roman	GM556 [22]
	Nant Crew Inscribed Stone (now in St John's Church, Cefn Coed )	Standing stone	Vaynor	51°45′46″N 3°24′13″W / 51.7628°N 3.4035°W, SO032081		Brecknockshire	Early Medieval	BR145 [23]
	Platform Houses and Cairn Cemetery on Dinas Noddfa	House platforms (& Cairnfield)	Bedlinog	51°43′10″N 3°18′48″W / 51.7195°N 3.3132°W, SO093031	Medieval house platforms, also prehistoric cairnfield	Glamorganshire	Medieval	GM314 [24]
	Platform Houses on Coly Uchaf	Platform house	Bedlinog	51°42′40″N 3°18′58″W / 51.7112°N 3.3161°W, SO091022		Glamorganshire	Medieval	GM320 [25]
	Morlais Castle	Castle	Pant	51°46′36″N 3°22′44″W / 51.7768°N 3.3789°W, SO049095		Glamorganshire	Medieval	GM028 [26]
	Cae Burdydd Castle	Motte	Vaynor	51°46′57″N 3°22′56″W / 51.7824°N 3.3823°W, SO047102		Brecknockshire	Medieval	BR118 [27]
	Cefn Car settlement	Building (Unclassified)	Vaynor	51°48′30″N 3°25′32″W / 51.8084°N 3.4256°W, SO018131		Glamorganshire	Medieval	GM571 [28]
	Gurnos Quarry Tramroad & Leat	Industrial monument	Gurnos	51°45′45″N 3°24′01″W / 51.7624°N 3.4002°W, SO034080		Glamorganshire	Post-Medieval/Modern	GM478 [29]
	Sarn Howell Pond and Watercourses	Pond	Town	51°44′50″N 3°19′27″W / 51.7471°N 3.3241°W, SO086062		Glamorganshire	Post-Medieval/Modern	GM494 [30]
	Abercanaid haystack boiler	Haystack Boiler	Troed-y-rhiw	51°43′29″N 3°22′04″W / 51.7248°N 3.3679°W, SO056037		Glamorganshire	Post-Medieval/Modern	GM572 [31]
	Cyfarthfa Canal Level	Canal Level	Cyfarthfa	51°44′20″N 3°23′15″W / 51.7388°N 3.3876°W, SO042053		Glamorganshire	Post-Medieval/Modern	GM467 [32]
	Cyfarthfa Tramroad Section at Heolgerrig	Tramroad	Cyfarthfa	51°44′46″N 3°24′16″W / 51.7462°N 3.4044°W, SO031062		Glamorganshire	Post-Medieval/Modern	GM495 [33]
	Iron Ore Scours and Patch Workings at Winch Fawr, Merthyr Tydfil	Iron mine	Cyfarthfa	51°45′07″N 3°25′27″W / 51.752°N 3.4241°W, SO017068		Glamorganshire	Post-Medieval/Modern	GM554 [34]
	Ynys Fach Iron Furnaces	Industrial monument	Cyfarthfa	51°44′42″N 3°23′03″W / 51.745°N 3.3841°W, SO045060		Glamorganshire	Post-Medieval/Modern	GM331 [35]
	Penydarren Tram Road	Trackway	Merthyr Vale	51°40′15″N 3°19′49″W / 51.6707°N 3.3304°W, ST080977		Glamorganshire	Post-Medieval/Modern	GM359 [36]
	Iron Canal Bridge from Rhydycar	Bridge	Park	51°45′01″N 3°23′09″W / 51.7504°N 3.3857°W, SO044066		Glamorganshire	Post-Medieval/Modern	GM486 [37]
	Pont y Cafnau Tramroad Bridge	Bridge	Park	51°45′17″N 3°23′44″W / 51.7546°N 3.3956°W, SO037071		Glamorganshire	Post-Medieval/Modern	GM424 [38]
	Merthyr Tramroad: Morlais Castle section	Tramroad	Pant	51°46′43″N 3°22′57″W / 51.7786°N 3.3826°W, SO047097		Glamorganshire	Post-Medieval/Modern	GM594 [39]
	Merthyr Tramroad Tunnel (Trevithick's Tunnel)	Tramroad	Troed-y-rhiw	51°44′06″N 3°22′07″W / 51.7349°N 3.3686°W, SO055049		Glamorganshire	Post-Medieval/Modern	GM573 [40]
	Cwmdu Air Shaft & Fan	Air Shaft	Cyfarthfa	51°44′14″N 3°24′14″W / 51.7371°N 3.4039°W, SO031051		Glamorganshire	Post-Medieval/Modern	GM460 [41]
	Remains of Blast Furnaces, Cyfarthfa Ironworks	Blast Furnace	Park	51°45′08″N 3°23′43″W / 51.7521°N 3.3952°W, SO037068		Glamorganshire	Post-Medieval/Modern	GM425 [42]
	Tai Mawr Leat for Cyfarthfa Iron Works	Leat	Park	51°45′31″N 3°24′17″W / 51.7586°N 3.4046°W, SO031076		Glamorganshire	Post-Medieval/Modern	GM479 [43]
	Deserted Iron Mining Village, Ffos-y-fran	Industrial monument	Troed-y-rhiw	51°44′31″N 3°20′47″W / 51.742°N 3.3463°W, SO071056		Glamorganshire	Post-Medieval/Modern	GM496 [44]

Scheduled Monuments in Merthyr Tydfil, Wales.
=Prehistoric =Roman =Early Medieval
=Medieval =Post-Medieval/Modern

See also

• Grade I listed buildings in Merthyr Tydfil County Borough
• Grade II* listed buildings in Merthyr Tydfil County Borough
• List of Cadw properties
• List of castles in Wales
• List of hill forts in Wales
• Historic houses in Wales
• List of monastic houses in Wales
• List of museums in Wales
• List of Roman villas in Wales

References

• Coflein is the online database of RCAHMW: Royal Commission on the Ancient and Historical Monuments of Wales, GGAT is the Glamorgan-Gwent Archaeological Trust, Cadw is the Welsh Historic Monuments Agency

1. Cadw: Ancient Monuments and Scheduling. Accessed 25 April 2013
2. Cadw will send their list as a spreadsheet, or other electronic formats, on request, as indicated at www.whatdotheyknow.com. This list uses information dated May 2012
3. coflein NPRN: 305944. GGAT PRN: 00635m. Cadw SAM: GM221: Gelligaer Common Standing Stone
4. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM271: Coed Cae Round Cairns
5. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM220: Gelligaer Common Round Cairns
6. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM586: Carn Castell y Meibion ring cairn
7. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM286: Brynbychan Round Cairn
8. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM272: Cefn Merthyr Round Cairns
9. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM563: Morlais Hill ring cairn
10. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM270: Tir Lan round barrow cemetery
11. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM236: Garn Las Earthwork
12. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM222: Merthyr Common Round Cairns
13. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM570: Carn Ddu platform cairn
14. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM567: Cefn Cil-Sanws ring cairn
15. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM599: Cefn Cil-Sanws, Cairn on SW side of
16. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM568: Coetgae'r Gwartheg barrow cemetery
17. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM569: Garn Pontsticill ring cairn
18. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM260: Dyke 315m E of Tyla-Glas
19. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM600: Cefn Cil-Sanws Defended Enclosure
20. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM518: Enclosure East of Nant Cwm Moel
21. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM519: Enclosure on Coedcae'r Ychain
22. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM556: Gelligaer Common Roman Road
23. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: BR145: Nant Crew Inscribed Stone (now in Cefn Coed Church)
24. coflein NPRN: 15303. GGAT PRN not yet identified. Cadw SAM: GM314: Platform Houses and Cairn Cemetery on Dinas Noddfa
25. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM320: Platform Houses on Coly Uchaf
26. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM028: Morlais Castle
27. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: BR118: Cae Burdydd Castle
28. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM571: Cefn Car settlement
29. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM478: Gurnos Quarry Tramroad & Leat
30. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM494: Sarn Howell Pond and Watercourses
31. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM572: Abercanaid haystack boiler
32. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM467: Cyfarthfa Canal Level
33. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM495: Cyfarthfa Tramroad Section at Heolgerrig
34. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM554: Iron Ore Scours and Patch Workings at Winch Fawr, Merthyr Tydfil
35. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM331: Ynys Fach Iron Furnaces
36. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM359: Penydarren Tram Road
37. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM486: Iron Canal Bridge from Rhydycar
38. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM424: Pont y Cafnau Tramroad Bridge
39. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM594: Merthyr Tramroad: Morlais Castle section
40. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM573: Merthyr Tramroad Tunnel (Trevithick's Tunnel)
41. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM460: Cwmdu Air Shaft & Fan
42. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM425: Remains of Blast Furnaces, Cyfarthfa Ironworks
43. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM479: Tai Mawr Leat for Cyfarthfa Iron Works
44. coflein NPRN: not yet identified. GGAT PRN not yet identified. Cadw SAM: GM496: Deserted Iron Mining Village, Ffos-y-fran