The Colebrookdale branch, also known as the Colebrookdale spur, Colebrookdale industrial track or Colebrookdale line, is a railway line in Pennsylvania. It runs 8.6 miles (13.8 km) from a junction with the Harrisburg Line in Pottstown to Boyertown. At its fullest extent, the line continued another 4 miles (6.4 km) to Barto. The line was built between 1868 and 1869 by the Colebrookdale Railroad and part of the Reading Company system until 1976. Berks County has owned the line since 2009. The Eastern Berks Gateway Railroad operates freight service; heritage passenger services are run under the Colebrookdale Railroad name.

The Colebrookdale Railroad, also known as the Secret Valley Line or colloquially as The Colebrookdale, is a tourist railroad located in the U.S. state of Pennsylvania. The railroad operates between Boyertown in Berks County and Pottstown in Montgomery County.