USDA Forest Service

High Desert Trail

California

Backcountry Trail

City, Town, or County

High Desert Trail System

New Mexico

Backcountry Trail, Urban Trail

City, Town, or County

High Line Canal Trail

Colorado

Frontcountry Trail, Urban Trail

USDA Forest Service

High Wallowa Trail

Oregon

Backcountry Trail

USDA Forest Service

Highgrade Trail

California

Nonprofit

Highlands Plateau Greenway

North Carolina

Backcountry Trail, Frontcountry Trail, Urban Trail

USDA Forest Service

Highline Loop

Colorado

Backcountry Trail

USDA Forest Service

Highline Trail

Arizona

Backcountry Trail

USDA Forest Service

Highline Trail

Idaho

Backcountry Trail

City, Town, or County

Highway 237 Bikeway Trail

California

Urban Trail

USDA Forest Service

Hillman Heritage Trail

Kentucky

Backcountry Trail

City, Town, or County

Historic Champlain Canalway Trail

New York

Frontcountry Trail

State

Historic Columbia River Hwy. State Trail

Oregon

Backcountry Trail, Frontcountry Trail, Urban Trail

City, Town, or County

Historic Edenton Trail

North Carolina

National Park Service

Historic Railroad Trail

Nevada

Backcountry Trail, Rail Trail, Urban Trail

City, Town, or County

Historic Salisbury

North Carolina

Nonprofit

Historic Union Pacific Rail Trail

Utah

Rail Trail

City, Town, or County

Historic Washington Trail

North Carolina

Urban Trail

USDA Forest Service

Holland Falls Trail

Montana

Backcountry Trail

National Park Service

Honey Creek Trail

Tennessee

Backcountry Trail