Additionally, walking will be up 13 percent, biking up 18 percent, and cross-country skiing up 20 percent. National forests hold more than half the country s network of trails, the largest trail system in the Nation , for hiking, riding, snowmobiling, and cross country skiing. These trails are often used by outfitters and guides. Many trails follow historic travel routes of American Indians or early explorers and may be interpreted. Other trails highlight natural resources such as rare plants, geologic formations, or past fire history.
Trails serve as the infrastructure for a wide variety of outdoor recreational opportunities.