Arizona Trail Association: Protects and promotes the 790-mile non-motorized trail that traverses the state. Site provides history, volunteering and sponsorship applications, maps, and other information.Arizona Trail Guide .com: Provides information on hiking opportunities.HikeArizona.com: Arizona's hiking trail index and photo archive since 1996.Hit the Trail: Former Grand Canyon ranger talks about hiking and backpacking at the Grand Canyon and in the desert southwest. Learn what equipment and preparation is necessary to have a successful and enjoyable time while on your outdoor adventure.Walking Connection Arizona Hikes: Hiking information on Arizona trails, including degree of difficulty.