| South Wales | |
| Clydach | |
| 51.8050919, -3.1278839 | |
| SO 2233 1243 | |
| Private Land | |
| #28,480 |
Ty yn y Coed Quarry - 747m- Blackrock Quarry - 1,000m
Llammarch Colliery - 1,027m
Waun Afon Slope - 1,152m- Gilwern Quarry (west) - 1,169m
- Waun Afon Colliery - 1,344m
- Penydarren Quarry - 1,349m
- Graig Colliery - 1,527m
- Gretton's Adit - 1,611m
Blaen Pig Quarry - 1,735m- Gilwen Quarry (north) - 1,785m
- Rhasfawr Colliery - 1,787m
- Clydach Colliery - 1,859m