USDA Forest Service

Salmon River Trail

Oregon

Backcountry Trail

USDA Forest Service

Salmon Summit Trail

California

Backcountry Trail

USDA Forest Service

Sam Braxton Trail

Montana

Backcountry Trail

State

Sam Vadalabene Great River Road Bike Trail

Illinois

Frontcountry Trail, Rail Trail

City, Town, or County

Samuel Justus Trail

Pennsylvania

Rail Trail

City, Town, or County

San Antonio River Trail

Texas

Frontcountry Trail

City, Town, or County

San Gabriel River Trails

Texas

Urban Trail

Nonprofit

Sand Creek Regional Greenway

Colorado

Frontcountry Trail, Urban Trail

Private

Sand Creek Trail

Kansas

Backcountry Trail

U.S. Fish and Wildlife Service

Sandtown Nature Trail

Oklahoma

Backcountry Trail

Nonprofit

Sandy Creek Trail

Pennsylvania

Rail Trail

City, Town, or County

Santa Ana River Trail, Orange County

California

City, Town, or County

Santa Ana River Trail, Riverside County

California

Urban Trail

Bureau of Land Management

Santa Cruz Lake

New Mexico

USDA Forest Service

Santa Cruz/Aliso Trails

California

City, Town, or County

Sarah Zigler Interpretive Trail

Oregon

Backcountry Trail, Frontcountry Trail, Urban Trail

National Park Service

Sargent Mountain

Maine

Backcountry Trail

National Park Service

Saugus Iron Works Nature Trail

Massachusetts

Backcountry Trail

City, Town, or County

Sauk Rail Trail

Iowa

Frontcountry Trail, Rail Trail

USDA Forest Service

Sawmill Road Trail

New Mexico