The Pontypool and Blaenavon Railway (Welsh: Rheilffordd Pont-y-pŵl a Blaenafon) is a 2-mile (3.2 km) volunteer-run heritage railway in South Wales, running trains between a halt platform opposite the Whistle Inn public house (famed for its collection of miners' lamps) southwards to the town of Blaenavon via a two-platform station at the site of former colliery furnace of the Big Pit National Coal Museum.
The line is the highest preserved standard-gauge line in the United Kingdom, and also uniquely having the only standard-gauge rail-over-rail bridge within preservation.
Gauge: 4ft 8½in
Length: 2 mile
Type: Standard Gauge Railway
Location: 13a Broad Street, Blaenavon
Postcode: NP4 9SF