It runs over a 2.2 miles (3.5 km) section of the original Eden Valley Railway in a north-westerly direction from the line's base at Warcop station.

[1][2] The railway operates passenger trains from March to September on the weekends and Bank Holidays and some weekday workings in summer.

[3][4] The original Eden Valley Railway opened in 1862, linking Penrith and Kirkby Stephen via Appleby-in-Westmorland.

The railway also operates a British Rail Class 37 English Electric diesel-electric locomotive, no.

Also on site are several ex industrial shunters: Robert Stephenson & Hawthorn 8343 (0-6-0DH "Darlington"), Fowler 4220045 (0-4-0DH), Hunslet 2389 (0-4-0DM), Thomas Hill 130c (0-4-0DH) and Drewry Cars 2181 (0-4-0DM) in addition to a number of freight wagons and a 15-ton railway crane.