Vaynol Tunnel
| Nearby stations Treborth Britannia Bridge Menai Bridge Port Dinorwic [1st] Port Dinorwic [2nd] Llanfair Pwllgwyngyll Bangor Felin Hen Halt Griffith^s Crossing Halt Pontmythallt Gaerwen Tregarth Pont Rug Cwm-y-Glo Penllyn | Britannia Tubular Bridge Port Sidings Junction Belmont Tunnel Bangor Tunnel Bethesda Junction Llandygai Tunnel Tregarth Tunnel Penrhyn Quarry Carnarvon Tunnel Carnarvon No 1 Junction Llanberis Junction Aber Watertroughs Tourist/other Menai Straits Penryhn Caslte Museum Caernarfon Castle |
| Location names in dark blue are on the same original line. | |
