The Talyllyn Railway is a narrow-gauge railway in Wales, which runs for 7+1⁄4 miles (12 km) from Tywyn on the Mid-Wales coast to Nant Gwernol near the village of Abergynolwyn. Opened in 1865 to carry slate from the quarries at Bryn Eglwys to Tywyn, it was the first narrow-gauge railway in Britain…