Grid Reference: SO187043.
| Name | OS | Distance | Bearing |
| Markham Colliery, Markham, Caerphilly (Gwent; Monmouthshire), Wales, UK | SO166019 | 3.2km | 221° (SW) |
| Bedwellty Pits, Tredegar, Blaenau Gwent (Gwent; Monmouthshire), Wales, UK | SO153057 | 3.7km | 292° (WNW) |
| Oakdale Colliery, Oakdale, Caerphilly (Gwent; Monmouthshire), Wales, UK | ST193990 | 5.3km | 173° (S) |
| Ty Trist Colliery, Tredegar, Blaenau Gwent (Gwent; Monmouthshire), Wales, UK | SO145078 | 5.5km | 309° (NW) |
| Bargoed Colliery, Bargoed, Caerphilly (Mid Glamorgan; Monmouthshire), Wales, UK | SO153000 | 5.5km | 218° (SW) |
| Crumlin Colliery (Crumlin Navigation Colliery), Crumlin, Caerphilly (Gwent; Monmouthshire), Wales, UK | ST210990 | 5.8km | 156° (SSE) |
| Blaentillery Colliery No. 2 (Blaentillery No. 2 Drift Mine), Blaenavon, Torfaen (Gwent; Monmouthshire), Wales, UK | SO235082 | 6.2km | 50° (NE) |
| Blaenserchan Colliery, Pontnewynydd, Torfaen (Gwent; Monmouthshire), Wales, UK | SO250022 | 6.6km | 108° (ESE) |
| Big Pit (Colliery), Blaenavon, Torfaen (Gwent; Monmouthshire), Wales, UK | SO237089 | 6.8km | 47° (NE) |
| Princetown, Tredegar, Blaenau Gwent (Gwent; Monmouthshire), Wales, UK | SO112099 | 9.4km | 306° (NW) |
| Penallta Colliery, Ystrad Mynach, Caerphilly (Mid Glamorgan; Monmouthshire), Wales, UK | ST131952 | 10.7km | 211° (SSW) |
| Deep Navigation Colliery, Treharris, Merthyr Tydfil (Mid Glamorgan; Glamorgan), Wales, UK | ST100975 | 11.0km | 231° (SW) |
| Wyllie Colliery, Wyllie, Caerphilly (Gwent; Monmouthshire), Wales, UK | ST176933 | 11.1km | 185° (S) |
| Risca Quarry, Risca, Caerphilly (Gwent; Monmouthshire), Wales, UK | ST238917 | 13.6km | 157° (SSE) |
| Merthyr Tydfil, Merthyr Tydfil (Mid Glamorgan; Glamorgan), Wales, UK | SO049062 | 13.9km | 277° (W) |
| Llanbradach Colliery, Llanbradach, Caerphilly (Mid Glamorgan; Monmouthshire), Wales, UK | ST148909 | 14.0km | 196° (SSW) |
| Risca Colliery (Blackvein Colliery), Risca, Caerphilly (Gwent; Monmouthshire), Wales, UK | ST215903 | 14.3km | 168° (SSE) |
| Abercynon (Dowlais Cardiff) Colliery, Abercynon, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK | ST081945 | 14.4km | 227° (SW) |
| Dowlais, Merthyr Tydfil (Mid Glamorgan; Glamorgan), Wales, UK | SO043064 | 14.6km | 278° (W) |
| Bedwas Colliery, Bedwas, Caerphilly (Mid Glamorgan; Monmouthshire), Wales, UK | ST178897 | 14.6km | 183° (S) |
| Universal Colliery, Senghenydd, Caerphilly (Mid Glamorgan; Glamorgan), Wales, UK | ST112912 | 15.1km | 209° (SSW) |
| Ochrwyth Mine, Risca, Caerphilly (Gwent; Monmouthshire), Wales, UK | ST235895 | 15.6km | 162° (SSE) |
| Vaynor Quarry, Trefechan, Merthyr Tydfil (Mid Glamorgan; Breconshire; Brecknockshire), Wales, UK | SO036094 | 15.9km | 288° (WNW) |
| Windsor Colliery, Abertridwr, Caerphilly (Mid Glamorgan; Glamorgan), Wales, UK | ST118898 | 16.1km | 205° (SSW) |
| Machen Quarry, Machen, Caerphilly (Mid Glamorgan; Monmouthshire), Wales, UK | ST222886 | 16.1km | 167° (SSE) |
| Rhyd-y-Gwern Mine, Draethen, Caerphilly (Mid Glamorgan; Glamorgan), Wales, UK | ST218876 | 17.0km | 169° (S) |
| Clive Mine, Draethen, Caerphilly (Mid Glamorgan; Glamorgan), Wales, UK | ST211873 | 17.2km | 171° (S) |
| Maen Llwyd, Caerphilly (Mid Glamorgan; Monmouthshire), Wales, UK | ST205868 | 17.6km | 174° (S) |
| Cwm Leyshon Quarry, Draethen, Caerphilly (Mid Glamorgan; Glamorgan), Wales, UK | ST210868 | 17.7km | 172° (S) |
| Cwmneol Colliery (Morris's pit), Cwmaman, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK | ST011999 | 18.1km | 255° (WSW) |
| Ferndale Pits (Blaenllechau Colliery), Tylorstown, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK | ST013960 | 19.3km | 244° (WSW) |
| Fforchaman Colliery, Cwmaman, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK | SS998994 | 19.5km | 255° (WSW) |
| Hafod Pit (Colliery), Trehafod, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK | ST036913 | 19.9km | 229° (SW) |
| Blaengwynlais Quarry, Bwlch-y-cwm, Cardiff (South Glamorgan; Glamorgan), Wales, UK | ST145840 | 20.7km | 191° (SSW) |
| Cwm Colliery, Beddau, Llantwit Fardre, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK | ST069862 | 21.6km | 213° (SSW) |
| Castell Coch Quarry, Taff's Well, Cardiff (South Glamorgan; Glamorgan), Wales, UK | ST128827 | 22.4km | 195° (SSW) |
| Gelli (Globe) Colliery, Gelli, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK | SS983945 | 22.6km | 244° (WSW) |
| Garth Mine (Little Garth Mine), Taff's Well, Cardiff (Mid Glamorgan; Glamorgan), Wales, UK | ST117827 | 22.7km | 197° (SSW) |
| Rhondda Valley, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK | SS980947 | 22.8km | 245° (WSW) |
| Taff's Well Quarry, Taff's Well, Cardiff (Mid Glamorgan; Glamorgan), Wales, UK | ST122822 | 23.0km | 196° (SSW) |
| Ton Mawr Quarry, Taff's Well, Cardiff (Mid Glamorgan; Glamorgan), Wales, UK | ST116823 | 23.1km | 197° (SSW) |
| Tower Colliery, Hirwaun, Bridgend (Mid Glamorgan; Glamorgan), Wales, UK | SN951051 | 23.6km | 271° (W) |
| Cambrian Colliery, Clydach Vale, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK | SS968926 | 24.8km | 241° (WSW) |
| Dare Colliery, Cwmparc, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK | SS951959 | 25.1km | 250° (WSW) |
| Coed-Ely Colliery, Coed Ely, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK | ST015860 | 25.1km | 223° (SW) |
| Britannic Merthyr Colliery, Gilfach Coch, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK | SS975908 | 25.1km | 237° (WSW) |
| Cregiau Quarry, Creigiau, Cardiff (Mid Glamorgan; Glamorgan), Wales, UK | ST086812 | 25.2km | 203° (SSW) |
| Rhiwsaeson (Gwern Efa), Llantrisant, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK | ST063823 | 25.3km | 209° (SSW) |
| Llwyn-saer Mine, Llantrisant, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK | ST063818 | 25.7km | 208° (SSW) |
| Mwyndy Mine, Llantrisant, Rhondda-Cynon-Taff (Mid Glamorgan; Glamorgan), Wales, UK | ST060818 | 25.8km | 209° (SSW) |
