12,445 Trails in United States

Trail Name Difficulty Length (mi) Rating City
Anacortes Community Forest Lands Intermediate difficulty 20.0 **** Anacortes
Anaconda (Upper Dry Creek Area Trails) Intermediate difficulty 2.0 **** sedona
Amphitheater Park Beginner difficulty 4.0 **** West Lafayette
Amole Canyon Beginner difficulty 25.0 ** Taos
Amicalola Falls Intermediate difficulty 12.0 *** Dahlonega
Amethyst Brook Advanced difficulty 7.0 **** Amherst
Ames Nowell Intermediate difficulty 10.0 *** Abington
Ames Lodge Intermediate difficulty 10.0 *** Mendocino
American Tobacco Trail Easiest difficulty 23.0 ** Durham
American Standard Advanced difficulty 15.0 **** Jim Thorpe
American River Trail Beginner difficulty 32.0 *** Sacramento
American River Confluence Trails Intermediate difficulty 7.0 **** Auburn
American Legion Park Easiest difficulty 0.0 ** Pinedale
American Lakes Trail  difficulty 3.0 Gould
Amendaris Sidewinder  difficulty 6 Truth or Consequences
Amelia Earhart Park Intermediate difficulty 7.0 **** Miami
Ambush (The Canyons Area) Intermediate difficulty 1.4 Park City
Ambulance Climb (Quarry Ridge Park)  difficulty 0.1 Fitchburg
Ambrose (South Hills Trail System)  difficulty 2.0 Helena
Amazon Headwaters Park  difficulty 5 Eugene
Amasa Back Trail (Amasa Back Area) Advanced difficulty 11.0 ***** Moab
Amasa Back Area Advanced difficulty 20 ***** Moab
Alyeska Downhill Advanced difficulty 10.0 **** Girdwood
Alviso Marina County Park Beginner difficulty 0.0 *** Alviso
Alva Scrub Preserve Beginner difficulty 4.8 ** Alva
Alum Rock County Park Beginner difficulty 5 ***
Alum Creek Phase II Intermediate difficulty 6.0 **** Lewis Center
Alum Creek Phase I Intermediate difficulty 6.0 **** Lewis Center
Alum Creek Beginner Trail Intermediate difficulty 2.0 **** Lewis Center
Alternate Incline (Blanchard State Forest)  difficulty 1.33 Bellingham
Altar rock  difficulty 10.0 Nantucket
Altamont Summit  difficulty 1.0 Livermore
Alta Trail Beginner difficulty 1.0 **** Telluride
Alt Explorer / 377a (Bent Creek)  difficulty 0.1 Asheville
Alsea Falls Recreation Site Intermediate difficulty 12.0 ***** Corvallis
Alpine-Ridge Connector  difficulty 0.7 Alpine
Alpine Valley Intermediate difficulty 5.0 ***** East Troy
Alpine Trail (Orange) (South Mountain Wildands Preserve Trail System) Intermediate difficulty 2.0 ***** Emmaus
Alpine Trail #7 Advanced difficulty 55.0 ***** Bigfork
Alpine Trail Intermediate difficulty 20.0 ***** Oakridge
Alpine Pedal Path Beginner difficulty 2.0 ***** Big Bear City
Alpine Loop Intermediate difficulty 58.0 *** Silverton
Alpine Lake (The Canyons Area)  difficulty 0.6 Park City
Alpine Baldy  difficulty 2.0 Scenic
Alpine (Mt. Spokane)  difficulty 0.1 Spokane
Alpha Trail Intermediate difficulty 7.0 **** Franklin
Alpha (Griffin Bike Park) Beginner difficulty 1.0 ***** Terre Haute
Almost Home Loop (Lake Noquebay)  difficulty 0.5 Porterfield
Almond Butter (Ute Valley Park) Advanced difficulty 0.5 ***** Colorado Springs
Almaden Quicksilver County Park Advanced difficulty 10.0 *** San Jose

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