The National Trails System Act of 1968, as amended, governs the activities of the National Trails System Program. In addition, the National Park Service adheres to the policies for national trails in Director's Order #45. Reference Manual 45 provides agency partners and the public with in-depth information on the National Trails System. Interagency management of national trails if facilitated through an MOU of the National Trails System Council members. The current MOU is in place from 2017 through 2027.
Last updated: February 19, 2019