USDA Forest Service
Shadow of the Sentinels
Washington
Backcountry Trail
City, Town, or County
Shagbark Nature Preserve
Illinois
Shedroof Divide Trail
Sheep Rock Overlook Trail
Idaho
Shell Falls
Wyoming
Shelley Lake
North Carolina
Sheltowee Trace
Kentucky
Sheridan NRT
Nonprofit
Shetucket River Water Trail
Connecticut
Water Trail (other)
Shiawassee River
Michigan
National Water Trail
Shingobee NRT
Minnesota
Shut-In Trail
Bureau of Land Management
Sierra Vista Trail
New Mexico
Silver Comet Trail
Georgia
Urban Trail
State
Silver Creek Canyon Trail
Oregon
Silver Falls Trail
Silver Moccasin
California
Silver Run Ski Trail
Montana
Sisson-Callahan
Sixshooter Canyon
Arizona