Dyffryn Ardudwy railway station serves the villages of Dyffryn Ardudwy, Coed Ystumgwern and Llanenddwyn in Gwynedd, Wales. The station is an unstaffed halt on the Cambrian Coast Railway with passenger services to Harlech, Porthmadog, Pwllheli, Barmouth, Machynlleth and Shrewsbury.