The railway operates on a 2ft gauge track, smaller than the standard 4ft 8.5in gauge of the British main line.
It is the highest narrow-gauge railway in England, reaching altitudes that provide panoramic views of the South Tyne valley.
The line follows the route of a railway that was originally opened in 1852.
Many of the locomotives used, such as the 'Barber', were sourced from industrial environments like mines or steelworks.
The project to extend the line toward Haltwhistle is one of the most ambitious heritage railway reconstructions in the UK.
The station buildings at Alston incorporate traditional architectural elements typical of 19th-century rural British stations.
South Tynedale Railway is England's highest narrow-gauge heritage railway, operating on a former branch line of the North Eastern Railway. The track runs through the North Pennines National Landscape, spanning the border between Cumbria and Northumberland. It utilizes a mix of vintage steam and diesel locomotives to haul period carriages. The line currently runs from Alston to Lintley and Slaggyford. Passengers can observe the restoration process of historic rolling stock at the Alston station site. The railway is operated primarily by volunteers and functions as a registered museum dedicated to railway history. It occupies a site that originally connected Alston to Haltwhistle until the original line closed in 1976.
The platform at Slaggyford station, which has been restored to reflect its historic Victorian appearance.
Bring a windproof jacket, as temperatures at this altitude in the North Pennines can be significantly cooler than in lowland areas.
Check the train departure schedule in advance, as the railway operates on specific service days rather than a daily timetable.
Sit in an open-sided carriage if available to get the best views of the valley flora and fauna.
Do not expect a high-frequency commuter service; this is a heritage attraction with limited daily departures.
Operates primarily on weekends and selected weekdays during the spring, summer, and autumn seasons; check the official website for winter closure dates.