Snowdon Mountain Railway
One of the trains that climb from Llanberis to the summit of Snowdon
The Snowdon Mountain Railway
is a narrow gauge rack railway
. It is the only rack railway in Britain, and travels for 8.5 miles (14 km) up the side of mount Snowdon
to a height of 1085 metres (3560 feet).
The line was opened as a tourist railway in 1896, and has an unnusual track gauge of 31 1/2 inches (83 cm), and is operated by both steam and diesel locomotives.
The line is a highly popular tourist attraction.