12,439 Trails in United States

Trail Name Difficulty Length (mi) Rating City
Jackfork Trail (Pinnacle Mountain Monument Trails) Advanced difficulty 7 *** Little Rock
Jackass Point Jollipop difficulty 0.3 Truckee
Jackalope Trail difficulty 2.0 Tijeras
Jackalope (McCoy Flat Trails) Intermediate difficulty 7.0 **** Vernal
Jack's Loop trail (Brommelsiek Park) difficulty 2.0 St. Charles
Jack's Gulch difficulty 10.0 Poudre Park
Jack's Cabin Cutoff Road / #813 Beginner difficulty 3.0 * Crested Butte
Jack's (Hartman Rocks) Intermediate difficulty 1.0 **** Gunnison
Jack Rabbit Trails Beginner difficulty 13 **** Hayesville
Jack Rabbit Ridge (Mariposa Fat Bike Trails) difficulty 2.0 Rio rancho
Jack London State Park (Jack London State Park) difficulty 20.0 Glen Ellen
Jack Lake Advanced difficulty 8 **** Antigo
Jack Island Preserve difficulty 5.0 Ft. Pierce
Jack Brooks Park Advanced difficulty 7.0 **** South Houston
Jaberwokie difficulty 2.0 Blacksburg
Jabba The Hut (Sugarloaf Outdoor Center) difficulty 1.92 Carrabassett Valley
J.W. "Bill" McFarland Sr. Memorial Trail (Lake Lurleen State Park Trail) difficulty 0.5 Tuscaloosa
J.R. Alford Greenway Beginner difficulty 17.0 *** Tallahassee
J.E.M. Trail Intermediate difficulty 13.0 **** Hurricane
J.A. and Kathryn Albertson Family Foundation Bike Park difficulty 1 Boise
J. Strom Thurmond Lake difficulty 0.0 Clarks Hill
J-Line (Northwest Park) difficulty 0.5 Eau Claire
J-Boy (Red Fleet System) Advanced difficulty 4.0 ***** Vernal
Iwen park Intermediate difficulty 2.0 *** Fargo
Iverson Railroad Trail (Tiger Mountain) difficulty 1.91 Issaquah
Itusi @ Lake Norman State Park Intermediate difficulty 30.0 **** Troutman
Itsabitch (Tolt MacDonald) difficulty 0.8 Carnation
Ithaca Jailhouse Trail Beginner difficulty 4.0 *** Ithaca
Itchy And Scratchy Beginner difficulty 11.0 **** Green River
Italian Canyon Loop (Boggy Draw Loop) Intermediate difficulty 10.0 ***** Dolores
Issaqueena Lake Intermediate difficulty 40.0 **** Clemson
Issaquah-Preston Trail (Grand Ridge Park) difficulty 4.41 Issaquah
Ispheming SBR trails Advanced difficulty 20.0 **** Ishpeming
Isle Du Bois Intermediate difficulty 11.0 **** Pilot Point
Island Meadow Trail (Mill Canyon OHV Trails) difficulty 0.3 Alpine
Island Lake Beginner difficulty 13.0 **** Brighton
Island Creek Trail Beginner difficulty 5.0 *** Pollocksville
Island Center Forest Intermediate difficulty 9.0 **** Seattle
Isabella Landing Trail difficulty 7.0 Orofino
Isaac Heath Trail #40 Intermediate difficulty 1.0 **** Brevard
Isaac Heath Trail (DuPont State Forest) difficulty 0.7 Brevard
Irwin Trail / #833 Intermediate difficulty 2.0 **** Crested Butte
Irwin Lake Road / #826 Beginner difficulty 3.0 ** Crested Butte
Irvine Ranch Open Space difficulty 15.0 Irvine
Irvine Lake difficulty 4.0 Silverado
Iroquois National wildlife refuge Beginner difficulty 13.0 ** Basom
Ironman (The Canyons Area) Intermediate difficulty 3.0 Park City
Iron Peak Trail #1399 difficulty 3.34 Cle Elum
Iron Mountain: Yellow Loop (Iron Mountain) Intermediate difficulty 4.0 **** Arkadelphia
Iron Mountain Trail Expert difficulty 6.0 ***** Poway

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