Access Fund – A non-profit organization dedicated to conserving climbing environments.
American Hiking Society – A non-profit organization which promotes hiking and seeks to protect and preserve footpaths and the natural areas that surround them.
American Trails – A nonprofit organization which advocates for various trail interests, including hiking, bicycling, mountain biking, horseback riding, water trails, snowshoeing, cross-country skiing, trail motorcycling, ATVs, snowmobiling, and four-wheeling.
National Trails Day – Find an event in your area that will enable you to discover, learn about, and celebrate trails while participating in educational exhibits, trail dedications, gear demonstrations, instructional workshops, and trail work projects.
National Trail Data Standards– An important tool for the the BLM and other Federal land managing agencies to work with States, local governments, and trail organizations to promote and develop trails for the benefit of the public.