| Junctions and other features | Running Lines | Stations, Signal Boxes and Junctions | Distance from Signal Box above | Loops and Refuge Sidings | Notes | |
|---|---|---|---|---|---|---|
| ↕ | North Rhondda Halt | – | ||||
| South Pit Halt | ||||||
| 1 | ↕ | Glyncorrwg Station | – | |||
| Nantewlaeth Siding Halt | ||||||
| Cymmer Corrwg Halt | ||||||
| 2 | ↕ | Cymmer General | 2m 1056yds* | * from Glyncorrwg Station | ||