| #2,380 | |
| South Wales | |
| Mountain Ash | |
| 51.691884, -3.38867 | |
| SO 0411 0015 | |
| Private Land | |
| 155m | |
| 0 Images |
Abercwmboi Colliery - 1,191m- Abergorki - 1,878m
- Deep Duffryn - 751m
- Duffryn Old Colliery - 1,896m
- George Pit - 1,608m
- Glyngwyn Collery - 1,828m
- Lletty Shenklin Colliery - 1,814m
- Lower Duffryn Colliery - 22m
- Middle Duffryn Colliery - 1,117m
- Nixon's Navigation Colliery - 1,568m
- Old Duffryn Colliery - 1,952m