Category:National Trails of the United States

H

• National Historic Trails of the United States (6 C, 23 P, 1 F)

N

• National Recreation Trails of the United States (52 C, 2 P)
• National Scenic Trails of the United States (14 P)

• National Trails System

C

• List of national historic trails in Colorado
• List of national scenic trails in Colorado

G

• Great American Rail-Trail

I

• Ice Age Floods National Geologic Trail

T

• Trails and Rails