12,525 Trails in United States

Trail Name Difficulty Length (mi) Rating City
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 ***** 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
Almaden Lake Trail difficulty 8.0 San Jose
Alma Mountain Bike Trail Beginner difficulty 3.0 *** Alma
Allsopp Park Intermediate difficulty 8.0 *** Little Rock
Alligator Loop Beginner difficulty 0.5 **** Mandeville, Louisina
Alligator Jumps (Alligator Loop) Intermediate difficulty 0.2 Mandeville, Louisiana
Alligator Alley Intermediate difficulty 2.0 *** Gainesville
Alley Oop (Echo Ridge / Trail #1290-1291) difficulty 1.9 Chelan
Allen Whitney forest difficulty 10.0 Manchester
Allen Parkway difficulty 5 Houston
Allen Mountain Trail #269 difficulty 3.3 Ashford
Allen Mill Pond Easiest difficulty 4.0 * White Springs
Allen Canyon-Pole Canyon Trail (014) difficulty 7.0 Victor
Allegrippis Trails Intermediate difficulty 30 ***** Huntingdon
Allegheny (park To Park) Advanced difficulty 8.0 ***** Davis / Canaan Valley
Allegany State Park Beginner difficulty 10.0 *** Salamanca
Allegan State Game Area Beginner difficulty 16.0 *** Allegan
Allegan Mountain Bike Trail Intermediate difficulty 1.0 Allegan
Allatoona Creek Park Intermediate difficulty 32 **** Acworth
Allamuchy State Park-North Advanced difficulty 30.0 ***** Hackettstown
Allamuchy North-Deer Park-Stephens Connecter Ride Advanced difficulty 25.0 **** Hackettstown

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