The steep gradient up the Worth Valley from the Keighley terminus has been a challenge for locomotives ever since the line opened on 15th April 1867. The sound of a steam engine tackling this climb echoes from the steep sides of the valley, while great clouds of steam and smoke add drama to the scene. Many of the woollen mills that once stood close to the line have been demolished, but a few remain as reminders that the textile industry was the reason why the line was built. Like the railway, the mills relied on coal, and the trains were able to bring hundreds of tons up the valley each week to keep the looms working by steam power. The five mile journey is a powerful reminder of our industrial heritage, as well as being a unique way of enjoying the beautiful countryside immortalised by Charlotte, Emily and Anne Brontë.