12,495 Trails in United States

Trail Name Difficulty Length (mi) Rating City
Indian Boundry Beginner difficulty 3.0 *** Tellico Plains
Indian / 1300 Intermediate difficulty 14 **** Cuchara
Indian (Lambert Park)  difficulty 0.2 Alpine
Independence Rock Historic Site  difficulty 0.0 Casper
Inclined Plane  difficulty 1.5 Johnstown
Incline Trail Intermediate difficulty 3.0 *** Pittsburgh
Imperial Gulch (Greenhorn Gulch) Advanced difficulty 10.0 *** Hailey
Imberm (Hixon Forest)  difficulty 0.2 La Crosse
IMBAtween (Luke’s Trail) Intermediate difficulty 1.0 **** Price
IMBA Trail (Dash Point State Park)  difficulty 0.29 Tacoma
Imba Red (Santos) Advanced difficulty 2.0 ***** Ocala
Illinois Trail: Ice Rink to Blue River (Illinois Creek Trail System) Intermediate difficulty 7.0 *** Breckenridge
Illinois Creek Trail System Intermediate difficulty 3.0 **** Breckenridge
Illinois Creek Low (Illinois Creek Trail System)  difficulty 1.0 Breckenridge
Illinois Creek High (Illinois Creek Trail System) Intermediate difficulty 1.0 *** Breckenridge
Illiniwek Forest Preserve Intermediate difficulty 5.0 ***** Hampton
Iller Creek Loop (Dishman Hills Conservation Area)  difficulty 4.08 Spokane Valley
Iller Creek Connector (Dishman Hills Conservation Area)  difficulty 0.26 Spokane Valley
Ikes peak  difficulty 10.0 Las Vegas
Ijams Nature Centre Intermediate difficulty 2.0 **** Knoxville
IIGO  difficulty 3.0 Marysville
Ignacio Chavez Special Management Area  difficulty 0.0 * Bernalillo
Iglesia de San Juan (Penitente Canyon)  difficulty 1.0 Del Norte
Idyllwild Park Advanced difficulty 0.0 ***** Idyllwild
Idlewood Intermediate difficulty 5.0 **** Langhorne
Idlewild Trail System Advanced difficulty 10 ***** Winter Park
Idlewild Loop Trail #317  difficulty 1.0 Burns
Idle Hour  difficulty 0.0 **** Altadena
Iditarod Trail - Meridian Lake  difficulty 8.0 Moose Pass
Icky Thump (Nine Mile) Intermediate difficulty 0.5 **** Wausau
Icicle Ridge Trail #1570  difficulty 8 Leavenworth
Ice Plant  difficulty 17.0 Ely
Ice House Loop  difficulty 19.0 * St. George
Ice Houce (Sawmill Hills Conservation Area) Advanced difficulty 15 ***** Florence
Ice cream run  difficulty 1.0 Roseville
Ice Caves Trail Beginner difficulty 3.0 **** Grassy Butte
Ice Cave Trail #608 Advanced difficulty 2.0 *** Lakeside
Ice Box Canyon Trail (Snowbasin Resort) Advanced difficulty 0.9 **** Ogden
Ice Age National Scenic Trail Intermediate difficulty 0.0 **** Cross Plains
IC King Park Intermediate difficulty 5.0 **** Knoxville
I.C. Rail Trail Intermediate difficulty 4.0 **** Dixon
I-5 Colonnade Mountain Bike Park Advanced difficulty 1.0 **** Seattle
I-35 Expert difficulty 2.0 **** Colorado Springs
I-275 METRO TRAIL Easiest difficulty 40.0 *** West side of Metro Detroit
Hyper Space Trail (Port Gamble / Stottelmeyer)  difficulty 0.75 Port Gamble
Hyper Coiler  difficulty 5.0 Old Lyme
Hymasa (Amasa Back Area) Advanced difficulty 1.6 ***** Moab
Hydrology Road  difficulty 35.0 Rawlins
Hyalite Creek Trail Advanced difficulty 12.0 *** Bozeman
Hwy 1a From Wallis Sands State Park  difficulty 20 Rye

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