# List of scheduled monuments in Rhondda Cynon Taf

Rhondda Cynon Taf is a county borough in South Wales. It has 89 scheduled monuments, seven of which cross or are on a border with a neighbouring authority. Of the 54 prehistoric sites, 40 are burial sites, with four hillforts and ten domestic and hut circle sites. There are three Roman sites, all military in purpose, and a variety of medieval mottes, churches, houses and a bridge. The 17 post-medieval sites are various forms of industrial and transport-related sites.
Scheduled monuments 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. The list of scheduled monuments below is supplied by Cadw with additional material from RCAHMW and Glamorgan-Gwent Archaeological Trust.

## Scheduled monuments in Rhondda Cynon Taf

| Name | Site type | Community | Location | Details | Historic County | Period | SAM No & Refs |
| Brynbychan Round Cairn | Round cairn | Mountain Ash, (also Merthyr Vale), (see also Merthyr Tydfil) | 51°40′52″N 3°21′23″W﻿ / ﻿51.6812°N 3.3564°W﻿ / 51.6812; -3.3564﻿ (Brynbychan Round Cairn), ST063989 | A turf-covered mound on the top of the ridge, close to a trig-point and radio mast. The monument sits on the border between Rhondda Cynon Taf and Merthyr Tydfil | Glamorganshire | 1Prehistoric | GM286 |
| The Beacons Round Barrows | Round barrow | Llanharan | 51°32′46″N 3°25′08″W﻿ / ﻿51.5461°N 3.4189°W﻿ / 51.5461; -3.4189﻿ (The Beacons Round Barrows), ST017839 | | Glamorganshire | 1.3Prehistoric | GM280 |
| Two Round Barrows, Naboth's Vineyard | Round barrow | Llanharry | 51°30′59″N 3°25′55″W﻿ / ﻿51.5163°N 3.4319°W﻿ / 51.5163; -3.4319﻿ (Two Round Barrows, Naboth's Vineyard), ST007806 | | Glamorganshire | 1.3Prehistoric | GM346 |
| Rhos-Gwawr cairn cemetery | Round cairn | Aberaman | 51°41′48″N 3°27′22″W﻿ / ﻿51.6968°N 3.4561°W﻿ / 51.6968; -3.4561﻿ (Rhos-Gwawr cairn cemetery), SN994007 | | Glamorganshire | 1.4Prehistoric | GM404 |
| Carn Pentyle-Hir & Adjacent Round Cairn | Round cairn | Aberdare | 51°44′16″N 3°25′13″W﻿ / ﻿51.7378°N 3.4203°W﻿ / 51.7378; -3.4203﻿ (Carn Pentyle-Hir & Adjacent Round Cairn), SO020052 | | Glamorganshire | 1.4Prehistoric | GM402 |
| Garn Las Earthwork | Round cairn | Aberdare, (also Troed-y-rhiw), (see also Merthyr Tydfil) | 51°43′29″N 3°24′26″W﻿ / ﻿51.7248°N 3.4073°W﻿ / 51.7248; -3.4073﻿ (Garn Las Earthwork), SO028038 | | Glamorganshire | 1.4Prehistoric | GM236 |
| Ring Cairn South of Twyn Blaennant | Round cairn | Aberdare | 51°43′47″N 3°24′45″W﻿ / ﻿51.7297°N 3.4125°W﻿ / 51.7297; -3.4125﻿ (Ring Cairn South of Twyn Blaennant), SO025043 | | Glamorganshire | 1.4Prehistoric | GM368 |
| Darren Fawr Round Cairns | Round cairn | Cwmbach | 51°42′44″N 3°24′01″W﻿ / ﻿51.7121°N 3.4002°W﻿ / 51.7121; -3.4002﻿ (Darren Fawr Round Cairns), SO033024 | | Glamorganshire | 1.4Prehistoric | GM287 |
| Graig-y-Gilfach round cairn and earthwork | Round barrow | Cwmbach | 51°43′14″N 3°24′20″W﻿ / ﻿51.7206°N 3.4056°W﻿ / 51.7206; -3.4056﻿ (Graig-y-Gilfach round cairn and earthwork), SO030033 | | Glamorganshire | 1.4Prehistoric | GM288 |
| Carn-y-Pigwn Round Cairn | Round cairn | Ferndale | 51°40′00″N 3°25′49″W﻿ / ﻿51.6668°N 3.4302°W﻿ / 51.6668; -3.4302﻿ (Carn-y-Pigwn Round Cairn), ST011974 | | Glamorganshire | 1.4Prehistoric | GM372 |
| Mynydd Ty'n-tyle cairns | Round cairn | Ferndale | 51°39′23″N 3°27′26″W﻿ / ﻿51.6565°N 3.4573°W﻿ / 51.6565; -3.4573﻿ (Mynydd Ty'n-tyle cairns), SS992963 | | Glamorganshire | 1.4Prehistoric | GM574 |
| Tarren Maerdy Cairn (W) | Round cairn | Ferndale | 51°39′51″N 3°28′55″W﻿ / ﻿51.6642°N 3.482°W﻿ / 51.6642; -3.482﻿ (Tarren Maerdy Cairn (W)), SS979972 | | Glamorganshire | 1.4Prehistoric | GM576 |
| Cadair Fawr Round Cairn | Round cairn | Hirwaun | 51°47′57″N 3°29′04″W﻿ / ﻿51.7992°N 3.4844°W﻿ / 51.7992; -3.4844﻿ (Cadair Fawr Round Cairn), SN977122 | A large cairn, 9m across, near the summit of Cadair Fawr (also sometimes called Cader Fawr). | Brecknockshire | 1.4Prehistoric | BR135 |
| Cefn Sychbant Round Cairns | Round cairn | Hirwaun | 51°47′14″N 3°28′32″W﻿ / ﻿51.7873°N 3.4755°W﻿ / 51.7873; -3.4755﻿ (Cefn Sychbant Round Cairns), SN983108 | | Brecknockshire | 1.4Prehistoric | BR137 |
| Cefn Sychbant, round cairns to the S of | Round cairn | Hirwaun | 51°46′51″N 3°27′58″W﻿ / ﻿51.7808°N 3.4661°W﻿ / 51.7808; -3.4661﻿ (Cefn Sychbant, round cairns to the S of), SN989101 | | Glamorganshire | 1.4Prehistoric | GM560 |
| Four Round Cairns on Mynydd-y-Glog | Round cairn | Hirwaun | 51°46′10″N 3°29′20″W﻿ / ﻿51.7694°N 3.489°W﻿ / 51.7694; -3.489﻿ (Four Round Cairns on Mynydd-y-Glog), SN973089 | | Glamorganshire | 1.4Prehistoric | GM522 |
| Nant-Maden Round Cairn | Round cairn | Hirwaun | 51°47′04″N 3°29′36″W﻿ / ﻿51.7845°N 3.4933°W﻿ / 51.7845; -3.4933﻿ (Nant-Maden Round Cairn), SN970105 | | Brecknockshire | 1.4Prehistoric | BR156 |
| Onllwyn Round Cairn | Round cairn | Hirwaun | 51°46′18″N 3°27′24″W﻿ / ﻿51.7718°N 3.4566°W﻿ / 51.7718; -3.4566﻿ (Onllwyn Round Cairn), SN995091 | | Glamorganshire | 1.4Prehistoric | GM530 |
| Pant Sychbant Round Cairn and Earthworks | Round cairn | Hirwaun | 51°46′41″N 3°27′27″W﻿ / ﻿51.7781°N 3.4574°W﻿ / 51.7781; -3.4574﻿ (Pant Sychbant Round Cairn and Earthworks), SN995098 | | Brecknockshire | 1.4Prehistoric | BR166 |
| Penmoelallt Round Barrows | Round barrow | Hirwaun | 51°46′34″N 3°26′19″W﻿ / ﻿51.7761°N 3.4385°W﻿ / 51.7761; -3.4385﻿ (Penmoelallt Round Barrows), SO008095 | | Glamorganshire | 1.4Prehistoric | GM528 |
| Round Cairn and Ring Cairn South of Twyn-y-Glog | Round cairn | Hirwaun | 51°46′05″N 3°30′30″W﻿ / ﻿51.7681°N 3.5083°W﻿ / 51.7681; -3.5083﻿ (Round Cairn and Ring Cairn South of Twyn-y-Glog), SN960087 | | Glamorganshire | 1.4Prehistoric | GM523 |
| Round Cairn North of Mynydd-y-Glog | Round cairn | Hirwaun | 51°46′24″N 3°29′45″W﻿ / ﻿51.7733°N 3.4958°W﻿ / 51.7733; -3.4958﻿ (Round Cairn North of Mynydd-y-Glog), SN968093 | | Glamorganshire | 1.4Prehistoric | GM521 |
| Tarren y Bwlch round cairn | Round cairn | Hirwaun | 51°43′10″N 3°31′27″W﻿ / ﻿51.7194°N 3.5241°W﻿ / 51.7194; -3.5241﻿ (Tarren y Bwlch round cairn), SN948033 | | Glamorganshire | 1.4Prehistoric | GM565 |
| Three Round Cairns on the Southern Side of Mynydd-y-Glog | Round cairn | Hirwaun | 51°45′58″N 3°28′52″W﻿ / ﻿51.7661°N 3.481°W﻿ / 51.7661; -3.481﻿ (Three Round Cairns on the Southern Side of Mynydd-y-Glog), SN978085 | | Glamorganshire | 1.4Prehistoric | GM525 |
| Two Round Cairns at Onllwyn | Round cairn | Hirwaun | 51°46′34″N 3°26′56″W﻿ / ﻿51.7761°N 3.4489°W﻿ / 51.7761; -3.4489﻿ (Two Round Cairns at Onllwyn), SO001095 | | Glamorganshire | 1.4Prehistoric | GM529 |
| Two Round Cairns on the Summit of Mynydd-y-Glog | Round cairn | Hirwaun | 51°46′04″N 3°29′04″W﻿ / ﻿51.7677°N 3.4845°W﻿ / 51.7677; -3.4845﻿ (Two Round Cairns on the Summit of Mynydd-y-Glog), SN976087 | | Glamorganshire | 1.4Prehistoric | GM526 |
| Twyn Bryn Glas round cairn | Round cairn | Hirwaun | 51°47′39″N 3°28′24″W﻿ / ﻿51.7943°N 3.4732°W﻿ / 51.7943; -3.4732﻿ (Twyn Bryn Glas round cairn), SN984116 | | Glamorganshire | 1.4Prehistoric | GM561 |
| Wernlas ring cairn and cairnfield | Ring cairn | Hirwaun | 51°46′40″N 3°29′48″W﻿ / ﻿51.7778°N 3.4967°W﻿ / 51.7778; -3.4967﻿ (Wernlas ring cairn and cairnfield), SN968098 | | Glamorganshire | 1.4Prehistoric | GM558 |
| Mynydd Maendy Round Cairn | Round cairn | Llanharan | 51°33′51″N 3°28′17″W﻿ / ﻿51.5642°N 3.4713°W﻿ / 51.5642; -3.4713﻿ (Mynydd Maendy Round Cairn), SS981860 | | Glamorganshire | 1.4Prehistoric | GM294 |
| Garn Bica | Round cairn | Maerdy | 51°41′36″N 3°31′53″W﻿ / ﻿51.6933°N 3.5314°W﻿ / 51.6933; -3.5314﻿ (Garn Bica), SN942005 | | Glamorganshire | 1.4Prehistoric | GM539 |
| Ring Cairn 350m W of Penrhiw Caradoc, Llanwonno | Round cairn | Mountain Ash | 51°40′20″N 3°23′11″W﻿ / ﻿51.6723°N 3.3863°W﻿ / 51.6723; -3.3863﻿ (Ring Cairn 350m W of Penrhiw Caradoc, Llanwonno), ST042979 | | Glamorganshire | 1.4Prehistoric | GM373 |
| Mynydd Ton Cairns | Round cairn | Pentre | 51°38′04″N 3°31′17″W﻿ / ﻿51.6345°N 3.5215°W﻿ / 51.6345; -3.5215﻿ (Mynydd Ton Cairns), SS947939 | | Glamorganshire | 1.4Prehistoric | GM540 |
| Tarren Maerdy cairn (E) | Round cairn | Pentre | 51°39′48″N 3°28′31″W﻿ / ﻿51.6633°N 3.4754°W﻿ / 51.6633; -3.4754﻿ (Tarren Maerdy cairn (E)), SS980970 | | Glamorganshire | 1.4Prehistoric | GM575 |
| Craig y Bwlch round cairn | Round cairn | Rhigos | 51°43′14″N 3°32′00″W﻿ / ﻿51.7206°N 3.5332°W﻿ / 51.7206; -3.5332﻿ (Craig y Bwlch round cairn), SN941035 | | Glamorganshire | 1.4Prehistoric | GM564 |
| Rhondda Fach Cairn | Round cairn | Rhigos | 51°42′34″N 3°31′37″W﻿ / ﻿51.7094°N 3.527°W﻿ / 51.7094; -3.527﻿ (Rhondda Fach Cairn), SN945022 | | Glamorganshire | 1.4Prehistoric | GM541 |
| Bachgen Carreg Round Cairn | Round cairn | Treherbert | 51°40′16″N 3°34′49″W﻿ / ﻿51.671°N 3.5804°W﻿ / 51.671; -3.5804﻿ (Bachgen Carreg Round Cairn), SS908981 | | Glamorganshire | 1.4Prehistoric | GM234 |
| Crug yr Afan Round Cairn | Round cairn | Treorchy | 51°38′51″N 3°33′42″W﻿ / ﻿51.6474°N 3.5618°W﻿ / 51.6474; -3.5618﻿ (Crug yr Afan Round Cairn), SS920954 | | Glamorganshire | 1.4Prehistoric | GM233 |
| Carn-y-Wiwer Cairnfield & Platform Houses | Cairnfield | Ynyshir | 51°38′15″N 3°24′28″W﻿ / ﻿51.6376°N 3.4077°W﻿ / 51.6376; -3.4077﻿ (Carn-y-Wiwer Cairnfield & Platform Houses), ST026941 | | Glamorganshire | 1.4Prehistoric | GM323 |
| Mynydd y Gelli Kerb Cairn | Kerb cairn | Ystrad | 51°38′07″N 3°28′53″W﻿ / ﻿51.6353°N 3.4815°W﻿ / 51.6353; -3.4815﻿ (Mynydd y Gelli Kerb Cairn), SS975939 | | Glamorganshire | 1.4Prehistoric | GM354 |
| Gwersyll | Enclosure | Aberdare | 51°43′36″N 3°24′37″W﻿ / ﻿51.7266°N 3.4102°W﻿ / 51.7266; -3.4102﻿ (Gwersyll), SO026040 | | Glamorganshire | 1.5Prehistoric | GM239 |
| Craig y Ddinas Hillfort | Hillfort | Hirwaun | 51°45′40″N 3°34′22″W﻿ / ﻿51.761°N 3.5729°W﻿ / 51.761; -3.5729﻿ (Craig y Ddinas Hillfort), SN915080 | | Brecknockshire | 1.5Prehistoric | BR178 |
| Cwm Cadlan Settlement and Field System | Hut Circle | Hirwaun | 51°47′20″N 3°28′56″W﻿ / ﻿51.7889°N 3.4823°W﻿ / 51.7889; -3.4823﻿ (Cwm Cadlan Settlement and Field System), SN978110 | | Brecknockshire | 1.5Prehistoric | BR414 |
| Pant-y-Gadair Hut Circle Settlement | Hut Circle | Hirwaun | 51°48′18″N 3°28′19″W﻿ / ﻿51.8049°N 3.4719°W﻿ / 51.8049; -3.4719﻿ (Pant-y-Gadair Hut Circle Settlement), SN986128 | Hut circle 6m acrioss, with walls of unworked limestone, on the north slopes of Cadair Fawr. | Brecknockshire | 1.5Prehistoric | BR413 |
| Ring Cairn and Round Cairn on Southern Side of Mynydd-y-Glog | Ring cairn | Hirwaun | 51°45′40″N 3°29′19″W﻿ / ﻿51.7612°N 3.4886°W﻿ / 51.7612; -3.4886﻿ (Ring Cairn and Round Cairn on Southern Side of Mynydd-y-Glog), SN973079 | | Glamorganshire | 1.5Prehistoric | GM524 |
| Wernlas hut circle | Hut circle settlement | Hirwaun | 51°46′30″N 3°30′08″W﻿ / ﻿51.7749°N 3.5022°W﻿ / 51.7749; -3.5022﻿ (Wernlas hut circle), SN964095 | | Glamorganshire | 1.5Prehistoric | GM562 |
| Rhiw Season Caerau | Hillfort | Llantrisant | 51°32′23″N 3°21′00″W﻿ / ﻿51.5397°N 3.3501°W﻿ / 51.5397; -3.3501﻿ (Rhiw Season Caerau), ST064831 | | Glamorganshire | 1.5Prehistoric | GM065 |
| Hut Circles & Enclosures on Buarth Maen | Unenclosed hut circle | Llwydcoed | 51°44′16″N 3°25′51″W﻿ / ﻿51.7379°N 3.4307°W﻿ / 51.7379; -3.4307﻿ (Hut Circles & Enclosures on Buarth Maen), SO013053 | | Glamorganshire | 1.5Prehistoric | GM401 |
| Caer Gwanaf | Enclosure | Pont-y-clun | 51°30′40″N 3°22′26″W﻿ / ﻿51.5112°N 3.3738°W﻿ / 51.5112; -3.3738﻿ (Caer Gwanaf), ST047800 | | Glamorganshire | 1.5Prehistoric | GM070 |
| Ring Cairn and Two Standing Stones on Coedpenmaen Common | Ring cairn | Pontypridd | 51°36′13″N 3°19′48″W﻿ / ﻿51.6036°N 3.33°W﻿ / 51.6036; -3.33﻿ (Ring Cairn and Two Standing Stones on Coedpenmaen Common), ST079902 | | Glamorganshire | 1.5Prehistoric | GM510 |
| Lle'r Gaer | Hillfort | Tonyrefail | 51°34′27″N 3°22′20″W﻿ / ﻿51.5742°N 3.3721°W﻿ / 51.5742; -3.3721﻿ (Lle'r Gaer), ST050870 | | Glamorganshire | 1.5Prehistoric | GM219 |
| Blaenrhondda settlement | Hut circle settlement | Treherbert | 51°42′19″N 3°33′35″W﻿ / ﻿51.7052°N 3.5598°W﻿ / 51.7052; -3.5598﻿ (Blaenrhondda settlement), SN923018 | | Glamorganshire | 1.5Prehistoric | GM101 |
| Ffos Toncenglau cross ridge dyke | Cross Ridge Dyke | Treherbert | 51°42′46″N 3°33′53″W﻿ / ﻿51.7129°N 3.5648°W﻿ / 51.7129; -3.5648﻿ (Ffos Toncenglau cross ridge dyke), SN919027 | | Glamorganshire | 1.5Prehistoric | GM118 |
| Earthwork 360m NNE of Crug yr Avan | Enclosure | Treorchy | 51°39′02″N 3°33′34″W﻿ / ﻿51.6506°N 3.5595°W﻿ / 51.6506; -3.5595﻿ (Earthwork 360m NNE of Crug yr Avan), SS922957 | | Glamorganshire | 1.5Prehistoric | GM278 |
| Mynydd Maendy hillfort | Hillfort | Treorchy | 51°38′55″N 3°30′31″W﻿ / ﻿51.6486°N 3.5086°W﻿ / 51.6486; -3.5086﻿ (Mynydd Maendy hillfort), ST957955 | | Glamorganshire | 1.5Prehistoric | GM099 |
| Twyn y Bridallt Roman Camp | Marching camp | Aberaman | 51°40′26″N 3°26′41″W﻿ / ﻿51.6738°N 3.4448°W﻿ / 51.6738; -3.4448﻿ (Twyn y Bridallt Roman Camp), ST001982 | | Glamorganshire | 2Roman | GM259 |
| Miskin Roman fort | Fort | Pont-y-clun | 51°31′04″N 3°22′46″W﻿ / ﻿51.5179°N 3.3794°W﻿ / 51.5179; -3.3794﻿ (Miskin Roman fort), ST043807 | | Glamorganshire | 2Roman | GM591 |
| Pen-y-Coedcae Roman Camp | Marching camp | Pontypridd | 51°35′01″N 3°20′53″W﻿ / ﻿51.5835°N 3.3481°W﻿ / 51.5835; -3.3481﻿ (Pen-y-Coedcae Roman Camp), ST069880 | | Glamorganshire | 2Roman | GM267 |
| Cross Ridge Dyke & Cairn on Twyn Hywel | Cross Ridge Dyke | Pontypridd, (also Aber Valley), (see also Caerphilly) | 51°36′42″N 3°18′03″W﻿ / ﻿51.6116°N 3.3007°W﻿ / 51.6116; -3.3007﻿ (Cross Ridge Dyke & Cairn on Twyn Hywel), ST100911 | | Glamorganshire | 3Unknown | GM456 |
| Cross Ridge Dyke & Earthwork on Cefn Eglwysilan | Cross Ridge Dyke | Pontypridd | 51°36′14″N 3°18′05″W﻿ / ﻿51.604°N 3.3013°W﻿ / 51.604; -3.3013﻿ (Cross Ridge Dyke & Earthwork on Cefn Eglwysilan), ST099902 | | Glamorganshire | 3Unknown | GM452 |
| Bwlch y Clawdd Dyke | Linear earthwork | Treorchy, (also Ogmore Valley), (see also Bridgend) | 51°38′21″N 3°31′59″W﻿ / ﻿51.6391°N 3.5331°W﻿ / 51.6391; -3.5331﻿ (Bwlch y Clawdd Dyke), SS940944 | | Glamorganshire | 3Unknown | GM500 |
| Cadair Fawr settlement | House platform | Hirwaun | 51°47′57″N 3°28′19″W﻿ / ﻿51.7993°N 3.472°W﻿ / 51.7993; -3.472﻿ (Cadair Fawr settlement), SN985122 | A group of medieval or later house platforms east of the summit of Cadair Fawr. | Glamorganshire | 4Medieval | GM559 |
| Pant Sychbant Medieval Hamlet | Deserted Rural Settlement | Hirwaun | 51°46′33″N 3°29′39″W﻿ / ﻿51.7759°N 3.4942°W﻿ / 51.7759; -3.4942﻿ (Pant Sychbant Medieval Hamlet), SN970096 | | Glamorganshire | 4Medieval | GM520 |
| Pant Sychbant Medieval House | Rectangular hut | Hirwaun | 51°46′39″N 3°27′23″W﻿ / ﻿51.7774°N 3.4563°W﻿ / 51.7774; -3.4563﻿ (Pant Sychbant Medieval House), SN996097 | | Glamorganshire | 4Medieval | GM532 |
| Gadlys | Moated Site | Llanharan | 51°31′12″N 3°28′23″W﻿ / ﻿51.5199°N 3.473°W﻿ / 51.5199; -3.473﻿ (Gadlys), SS979811 | | Glamorganshire | 4Medieval | GM081 |
| Llanilid Castle Mound | Motte | Llanharan | 51°31′18″N 3°28′29″W﻿ / ﻿51.5216°N 3.4748°W﻿ / 51.5216; -3.4748﻿ (Llanilid Castle Mound), SS977813 | | Glamorganshire | 4Medieval | GM080 |
| St Peter's Church, Remains of | Church | Llanharan | 51°33′28″N 3°27′13″W﻿ / ﻿51.5577°N 3.4536°W﻿ / 51.5577; -3.4536﻿ (St Peter's Church, Remains of), SS993853 | | Glamorganshire | 4Medieval | GM338 |
| Llantrisant Castle | Castle | Llantrisant | 51°32′29″N 3°22′29″W﻿ / ﻿51.5415°N 3.3748°W﻿ / 51.5415; -3.3748﻿ (Llantrisant Castle), ST047834 | | Glamorganshire | 4Medieval | GM074 |
| Tarren Deusant Sculptured Rock & Spring | Petrosomatoglyph | Llantrisant | 51°34′33″N 3°22′10″W﻿ / ﻿51.5758°N 3.3694°W﻿ / 51.5758; -3.3694﻿ (Tarren Deusant Sculptured Rock & Spring), ST052872 | | Glamorganshire | 4Medieval | GM406 |
| Tomen y Clawdd | Motte | Llantwit Fardre | 51°34′11″N 3°18′44″W﻿ / ﻿51.5698°N 3.3121°W﻿ / 51.5698; -3.3121﻿ (Tomen y Clawdd), ST091864 | | Glamorganshire | 4Medieval | GM064 |
| Castell Nos | Motte | Maerdy | 51°41′27″N 3°29′56″W﻿ / ﻿51.6908°N 3.4989°W﻿ / 51.6908; -3.4989﻿ (Castell Nos), SN964001 | | Glamorganshire | 4Medieval | GM408 |
| Medieval Chapel of Talygarn | Chapel | Pont-y-clun | 51°30′42″N 3°24′14″W﻿ / ﻿51.5118°N 3.4039°W﻿ / 51.5118; -3.4039﻿ (St Anne's: Medieval Chapel of Talygarn), ST026801 | | Glamorganshire | 4Medieval | GM442 |
| Pontypridd Bridge | Bridge | Pontypridd | 51°36′18″N 3°20′18″W﻿ / ﻿51.605°N 3.3382°W﻿ / 51.605; -3.3382﻿ (Pontypridd Bridge), ST074904 | | Glamorganshire | 4Medieval | GM015 |
| Glynneath Gunpowder Works | Industrial monument | Hirwaun, (also Ystradfellte), (see also Powys) | 51°45′57″N 3°33′55″W﻿ / ﻿51.7658°N 3.5654°W﻿ / 51.7658; -3.5654﻿ (Glynneath Gunpowder Works), SN920086 | | Glamorganshire | 5Post-Medieval/Modern | BR230 |
| Y Garreg Siglo Bardic Complex | Unclassified site | Pontypridd | 51°36′08″N 3°19′40″W﻿ / ﻿51.6022°N 3.3277°W﻿ / 51.6022; -3.3277﻿ (Y Garreg Siglo Bardic Complex), ST081901 | | Glamorganshire | 5Post-Medieval/Modern | GM507 |
| Ventilation Furnace, Trehafod | Building (Unclassified) | Porth | 51°36′42″N 3°23′01″W﻿ / ﻿51.6118°N 3.3836°W﻿ / 51.6118; -3.3836﻿ (Ventilation Furnace, Trehafod), ST042912 | | Glamorganshire | 5.6Post-Medieval/Modern | GM437 |
| Remains of Iron Furnace at Cwmaman | Industrial monument | Aberaman | 51°41′05″N 3°26′29″W﻿ / ﻿51.6848°N 3.4415°W﻿ / 51.6848; -3.4415﻿ (Remains of Iron Furnace at Cwmaman), ST004994 | | Glamorganshire | 5.7Post-Medieval/Modern | GM266 |
| Gadlys Ironworks (Remains of Blast Furnace) | Ironworks | Aberdare | 51°43′00″N 3°26′55″W﻿ / ﻿51.7167°N 3.4486°W﻿ / 51.7167; -3.4486﻿ (Gadlys Ironworks (Remains of Blast Furnace)), SO000029 | | Glamorganshire | 5.7Post-Medieval/Modern | GM438 |
| Gelli-Isaf Tramroad Bridge, Abernant Tramroad | Bridge | Aberdare | 51°43′44″N 3°27′49″W﻿ / ﻿51.7288°N 3.4637°W﻿ / 51.7288; -3.4637﻿ (Gelli-Isaf Tramroad Bridge, Abernant Tramroad), SN990043 | | Glamorganshire | 5.7Post-Medieval/Modern | GM411 |
| Iron Tram Bridge, Robertstown | Bridge | Aberdare | 51°43′21″N 3°27′12″W﻿ / ﻿51.7224°N 3.4533°W﻿ / 51.7224; -3.4533﻿ (Iron Tram Bridge, Robertstown), SN997036 | | Glamorganshire | 5.7Post-Medieval/Modern | GM347 |
| Remains of Gamlyn Railway Viaduct | Bridge | Aberdare | 51°44′01″N 3°28′33″W﻿ / ﻿51.7336°N 3.4758°W﻿ / 51.7336; -3.4758﻿ (Remains of Gamlyn Railway Viaduct), SN981049 | | Glamorganshire | 5.7Post-Medieval/Modern | GM533 |
| Tramroad East of Robert's Town Bridge, Aberdare | Tramway | Aberdare | 51°43′21″N 3°26′58″W﻿ / ﻿51.7224°N 3.4495°W﻿ / 51.7224; -3.4495﻿ (Tramroad East of Robert's Town Bridge, Aberdare), SN999036 | | Glamorganshire | 5.7Post-Medieval/Modern | GM527 |
| Dinas Silica Mine | Tramroad | Hirwaun | 51°45′38″N 3°34′15″W﻿ / ﻿51.7605°N 3.5708°W﻿ / 51.7605; -3.5708﻿ (Dinas Silica Mine), SN916080 | | Brecknockshire | 5.7Post-Medieval/Modern | BR229 |
| Site of Hirwaun Ironworks | Industrial monument | Hirwaun | 51°44′29″N 3°30′40″W﻿ / ﻿51.7414°N 3.5112°W﻿ / 51.7414; -3.5112﻿ (Site of Hirwaun Ironworks), SN957058 | | Brecknockshire | 5.7Post-Medieval/Modern | BR157 |
| Pillow Mound at Bryn y Gwyddel | Pillow mound | Llwydcoed | 51°45′13″N 3°26′23″W﻿ / ﻿51.7536°N 3.4397°W﻿ / 51.7536; -3.4397﻿ (Pillow Mound at Bryn y Gwyddel), SO007070 | | Glamorganshire | 5.7Post-Medieval/Modern | GM517 |
| Hetty Pit | Pit | Pontypridd | 51°36′33″N 3°22′00″W﻿ / ﻿51.6091°N 3.3666°W﻿ / 51.6091; -3.3666﻿ (Hetty Pit), ST054909 | | Glamorganshire | 5.7Post-Medieval/Modern | GM459 |
| Newbridge Colliery Engine | Beam engine | Pontypridd | 51°35′17″N 3°19′32″W﻿ / ﻿51.5881°N 3.3256°W﻿ / 51.5881; -3.3256﻿ (Newbridge Beam Engine), ST082885 | | Glamorganshire | 5.7Post-Medieval/Modern | GM457 |
| Nantgarw China Works & Museum, Nantgarw | Pottery kiln | Taffs Well | 51°33′41″N 3°16′13″W﻿ / ﻿51.5614°N 3.2704°W﻿ / 51.5614; -3.2704﻿ (Nantgarw China Works & Museum, Nantgarw), ST120854 | | Glamorganshire | 5.7Post-Medieval/Modern | GM335 |
| Incline Haulage Systems, Cefn Ynysfeio, Treherbert | Incline Drumhouse | Treherbert | 51°40′26″N 3°31′10″W﻿ / ﻿51.674°N 3.5194°W﻿ / 51.674; -3.5194﻿ (Incline Haulage Systems, Cefn Ynysfeio, Treherbert), SS950983 | | Glamorganshire | 5.7Post-Medieval/Modern | GM508 |
| Locomotive Type Steam Boiler, Blaen Rhondda | Colliery | Treherbert | 51°42′08″N 3°33′37″W﻿ / ﻿51.7021°N 3.5602°W﻿ / 51.7021; -3.5602﻿ (Locomotive Type Steam Boiler, Blaen Rhondda), SN922015 | | Glamorganshire | 5.8Post-Medieval/Modern | GM509 |
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* GPX (secondary coordinates)