The Welsh Highland Railway (WHR)or Rheilffordd Eryri is a 25-mile (40.2 km) long, restored 1 ft 11 ¹⁄₂ in (597 mm) narrow gauge heritage railway in the Welsh county of Gwynedd, operating from Caernarfon to Porthmadog, and passing through a number of popular tourist destinations including Beddgelert and the Aberglaslyn Pass. At Porthmadog it connects with the Ffestiniog Railway and to the short Welsh Highland Heritage Railway.