Alliance of trail-building groups working towards connecting trails to create a continuous motor-free trail system. View a overview map.
Bay Area non-profit organization working towards the construction of a 400-mile multi-use trail that would connect the area's natural parks.
Project working on the proposed 400-mile system of trails that will circle the San Francisco and San Pablo Bays. Take a tour of the trail.
Environmental organization which works towards the preservation of the trail system of the Bob Marshall Wilderness Complex in Montana.
Resource on the non-profit organization which aims to maintain and promote the Ohio trail that stretches between Cincinnati to Lake Erie.
Sonoma county residents determined to create a system of trails on public land. Includes a reference library, contacts and tips on taking action.
Non-profit organization which strives to build and maintain the Cumberland Trail of Tennessee. Get details for taking part in the efforts.
California-based club that offers environmental education and excursions, trail maintenance, and habitat restoration. Check the events calendar.
Builders and maintainers of the state trail that runs along the Florida panhandle. Read the trail news and updates.
Proposed network of trails that would run north to south through Idaho, Montana, Wyoming, Utah, and Arizona.
Read the project over view and the progress report about the effort to rebuild the trails of Old Man's Cave, found in southeastern Ohio.
Washington state club is dedicated to preserving mountain wilderness areas, and alerting people to potential threats. Find maps and club links.
Environmental organization which focuses its efforts on preserving the trail systems along the coasts. Check out the extensive directory.
Annual event which celebrates trails across the country by promoting trail conservation and appreciation. Read the FAQs.
Federation of individuals and organizations working to build and maintain hiking trails and open areas. Read news on trail issues.
Non-profit organization working in partnership with the National Park Service to build the 4,000 mile trail that is to cross 7 northern states.
Located in Independence, Missouri, this organization promotes education and preservation of the trans-Mississippi trails.
Trail club whose goal is to maintain a section of the Appalachian Trail in southwest Virginia. Read a Q& A and a newsletter.
Conservation organization with the mission to build and promote a trail network in the Portland area. Get project details.
Headquartered in Washington, D.C., this organization maintains the hiking trails in Virginia, Maryland, West Virginia, Pennsylvania, and D.C.
Member-based group which is working to build a hiking trail along the ridgeline of the North Shore of Lake Superior. Read trail descriptions.
Volunteer organization working to create and preserve a trail system for San Mateo, Santa Clara, Santa Cruz, Alameda and San Francisco counties
Great Outdoors.com offers some guidelines and advice for planning a trail building and maintenance project.
Information guide for this regional land trust whose aims are to build and conserve trails and greenways in the greater St. Louis region.
Adopt a Park program helps improve and maintain Washington parks and trails. Volunteer for clean-up efforts and tree plantings, read park news.
Take part in building and maintaining trails at the Henry W. Coe State Park in northern California. Read what a typical trail day entails.