The Catskill Mountain Railroad (reporting mark CMRR) is a heritage tourist railroad based in Kingston, New York, that began operations in 1982. The railroad leases a 5-mile portion of the former New York Central Railroad Catskill Mountain branch from Kingston to Stony Hollow, New York. The tracks are owned by Ulster County, New York which bought them in 1979 from the bankruptcy Estate of the Penn Central Railroad. The railroad's current permit with Ulster County expires on December 31, 2021.