Peak Rail is a preserved railway in Derbyshire, England, which operates a steam and heritage diesel service for tourists and visitors to both the Peak District and the Derbyshire Dales. The preserved railway line is over 3½ miles (5.6 km) in length and, as of April 2016, operates train services from Matlock station (shared with Derwent Valley Line services from Derby via Ambergate) via the site of Matlock Riverside and Darley Dale to Rowsley South.