For trails on private, city, county, or state land, or on Federal land NOT overseen by the Department of Agriculture
The Secretary of the Interior is the designating official for NRT's on all other Federal Lands and on State, local, and private lands, and has delegated responsibility to the National Park Service for the overall administration of the NRT program under that department's jurisdiction.
Nominations for NRT designation for the Department of the Interior are done online through the NRT Database.
See a checklist of the information and documents required. Supporting materials, such as maps, brochures, photos, and letter of support must be in electronic format and are uploaded as part of the online submission process.
November 1: Deadline for submittal of current year's online NRT applications.
November 15: Applications proceed to field review.
December 31: Regional NRT Manager or Federal agency NRT Manager provides recommendation to DOI NRT Program Coordinator.
February 1: DOI NRT Program Coordinator forwards the recommended trails for approval by the Secretary of the Interior.
June of following year - National Trails Day: New NRT designations announced