
narrow gauge tourist railway on the south side of the Brecon Beacons
The Brecon Mountain Railway (Welsh: Rheilffordd Fynydd y Bannau) is a 1 ft 11+3⁄4 in (603 mm) narrow gauge tourist railway on the south side of the Brecon Beacons in Wales. It climbs northwards from Pant along the full length of the Pontsticill Reservoir (also called 'Taf Fechan' reservoir by Welsh Water) and continues past the adjoining Pentwyn Reservoir to Torpantau railway station. The railway's starting point at Pant is located two miles (3 km) north of the town centre of Merthyr Tydfil, Merthyr Tydfil County Borough, South-East Wales.

