Alafia State Park Big Loop Trail [CLOSED]
Lithia, Florida
10.3 km538 ftgain2h 12m
ModerateLoop
Alambique Trail to Skyline Trail Loop
Redwood City, California
6.4 km1,352 ftgain1h 42m
EasyLoop
Alamo Canyon
Ajo, Arizona
3.5 km299 ftgain48m
EasyOut & Back
Alamo Canyon via Picket Post and Arizona Trail [CLOSED]
Superior, Arizona
8.4 km968 ftgain2h 7m
ModerateOut & Back
Alamo Loop
Catalina, Arizona
5.2 km469 ftgain1h 14m
EasyLoop
Alamo Springs Trail
Marana, Arizona
9.3 km1,253 ftgain2h 26m
ModerateLoop
Albert Family Community Forest
East Nassau, New York
6.1 km640 ftgain1h 31m
ModerateLoop
Albert Mountain Summit via Bear Pen Trail
Otto, North Carolina
8.9 km1,877 ftgain2h 40m
DifficultOut & Back
Alberta Falls and Bear Lake [CLOSED]
Estes Park, Colorado
4.0 km591 ftgain1h 3m
ModerateOut & Back
Alberton Road Trail
Milford Mill, Maryland
5.8 km745 ftgain1h 15m
EasyOut & Back
Albertson Motorway [CLOSED]
Thousand Oaks, California
9.5 km1,289 ftgain2h 33m
ModerateOut & Back
Albertson, Meadow Vista, Sunrise and Autumn Ridge Loop [CLOSED]
Thousand Oaks, California
7.2 km938 ftgain1h 54m
ModerateLoop
Albright Loop via the Appalachian Trail
Nellysford, Virginia
5.6 km978 ftgain1h 31m
EasyLoop
Alcove House Trail [CLOSED]
Santo Domingo Pueblo, New Mexico
4.2 km574 ftgain1h
EasyLoop
Alder and Fitness Trail Loop
Freehold, New Jersey
3.1 km180 ftgain39m
EasyLoop
Alder Springs Trail
Camp Sherman, Oregon
9.2 km1,355 ftgain2h 15m
ModerateOut & Back
Alderman's Ford Nature Preserve Loop
Plant City, Florida
12.4 km656 ftgain2h 41m
ModerateLoop
Aldo Leopold Loop Trail [CLOSED]
Albuquerque, New Mexico
3.7 km131 ftgain46m
EasyLoop
Aldous and Hancock Lakes
Spencer, Idaho
8.2 km1,444 ftgain2h 14m
ModerateOut & Back
Alfred A. Loeb State Park Nature Trails [CLOSED]
Brookings, Oregon
3.9 km994 ftgain1h 5m
EasyLoop
Algonquin Cross-Country Ski Trails
Sault Ste. Marie, Michigan
3.7 km131 ftgain46m
EasyLoop
Alhambra Creek Trail
Lafayette, California
3.9 km594 ftgain1h 5m
ModerateLoop
Alice Eastwood Trail [CLOSED]
Mill Valley, California
3.9 km919 ftgain1h 14m
ModerateOut & Back
Aliso Summit Trail
Laguna Niguel, California
14.2 km1,237 ftgain3h 32m
EasyOut & Back