| Junctions and other features | Running Lines | Stations, Signal Boxes and Junctions | Distance from Signal Box above | Loops and Refuge Sidings | Notes | |
|---|---|---|---|---|---|---|
| Maximum permissible speed 25 m.p.h. | ||||||
| 1 |
 |
↕ | Penygroes Station | – | ||
| — | ↕ | Nantlle Station | 1m 801yds | c. 08.08.1932 | ||