Wales Home » Travel » Wales Cardiff to Merthyr Tydfil The Merthyr line follows the River Taff, and passes some of the surprising places where modern Wales, and rail transport itself, was born. Cardiff to Merthyr Tydfil The Merthyr line follows the River Taff, and passes some of the surprising places where modern Wales, and rail transport itself, was born. Also in Wales Alderney Railway 70-year old 'Elizabeth' hauls visitors along the green and wind-swept northern coastline of this stunning Channel Island. Heritage Railway Borderlands Line 27-mile railway connecting Bidston and Wrexham Central, across the countryside and crossing the River Dee, one of Wales' great rivers. Scenic Cambrian (Coast) Line Linking Shrewsbury with Aberystwyth and Pwllheli, the line passes through the Welsh countryside via Dyfi Biosphere Reserve and Snowdonia National Park Chester-Shrewsbury (through Wales) Although starting in England, this is an hour journey from Roman Chester running through the countryside, Wrexham retail centre, and Pontcysyllte aqueduct in Wales, and on to Shrewsbury. Scenic Ffestiniog Railway, Porthmadog to Bleanau Ffestiniog, Gwynedd 40 miles of scenic Wales around Snowdonia National Park, with two trains trips to take beginning from the historic centre of Porthmadog. Heritage Railway, Scenic Heart of Wales Line 121-mile journey linking Shrewsbury and Swansea, a 150-year-old line crossing the Cynghordy and Knucklas viaducts, and passing through Welsh Marches. Scenic Welshpool & Llanfair Railway, Powys 8 miles through mid Wales' steep and rolling green hills, rivers such as the Banwy, and farmlands around Caereinion. Heritage Railway