| Section of Line | Opened | Closed | Notes |
|---|---|---|---|
| Junctions and other features | Running Lines | Stations, Signal Boxes and Junctions | Distance from Signal Box above | Loops and Refuge Sidings | Notes | |
|---|---|---|---|---|---|---|
| Abercynon | ||||||
| Pontcynon Halt | ||||||
| Pontcynon Junction | ||||||
| Mathewston Halt | ||||||
| Penrhiwceiber Lower | ||||||
| Penrhiwceiber Low Level | ||||||
| Penrhiwceiber | ||||||
| Nixon's Crossing | ||||||
| Mountain Ash, Oxford Street | ||||||
| Abercwboi Halt | ||||||
| Abercwmboi | ||||||
| Cwmbach Jn. | ||||||
| Aberaman | ||||||
| Aberdare South | ||||||
| Aberdare, Low Level | ||||||
| Aberdare North | ||||||