1,013 Trails in California

Trail Name Difficulty Length (mi) Rating City
Indian Falls Ridge (Mount Hough Trail System) difficulty 5.6 Quincy
Indian Truck Trail Intermediate difficulty 8.0 *** Corona
Inner Loop difficulty 6.0 Menlo Park
Into The Clouds difficulty 8.0 Jonesville
Irish Hill Advanced difficulty 5.0 **** San Luis Opispo
Iron Mountain Trail Expert difficulty 6.0 ***** Poway
Irvine Lake difficulty 4.0 Silverado
Irvine Ranch Open Space difficulty 15.0 Irvine
Jack London State Park (Jack London State Park) difficulty 20.0 Glen Ellen
Jackass Point Jollipop difficulty 0.3 Truckee
Jedi Intermediate difficulty 5.0 **** Loma Linda
Jenkinson Lake Loop (Sly Park) Intermediate difficulty 8 **** Pollock Pines
Jesusita Advanced difficulty 7.0 **** Santa Barbara
Joaquin Miller Intermediate difficulty 10.0 **** Oakland
John Nicholas Easiest difficulty 10.0 *** Los Gatos
Johnson Ranch Beginner difficulty 10.0 ** San Luis Obisbo
Joplin Trail Intermediate difficulty 10.0 **** Lake Forest
Joseph D. Grant County Park Intermediate difficulty 6.0 **** San Jose
Josephine Peak difficulty 21.0 ***** Los Angeles
Joshua M. Hardt Memorial Trail at Sugar Pine difficulty 4.0 Foresthill
Joshua Ranch Trails Beginner difficulty 8.0 **** Palmdale
Juan Bautista de Anza National Historic Trail difficulty 20.0 Plaster City
Jug Handler difficulty 10 Mendocino
Jughandle Ecological Trail: East Fork difficulty 3.0 ***** Fort Bragg
Jumping Mouse Trail (Greer Ranch / 215 Trail) Beginner difficulty 2.0 ***** Murrieta
Just Outstanding Intermediate difficulty 13.0 ***** Kernville
Kenny's Intermediate difficulty 4.0 **** Big Bear City
Kenter Whoops difficulty 2.0 Los Angeles
Kern River Trail difficulty 17.0 Kernville
Keyesville Special Recreation Management Area Advanced difficulty 15.0 ***** Lake Isabella
Kings Beach difficulty 15 Kings Beach
Kings Beach Trail (18E04) (Kings Beach) difficulty 1.74 Kings Beach
Kirkwood Bike Park Beginner difficulty 15.0 ***** Kirkwood
Knights Ferry Canal Intermediate difficulty 10.0 **** Oakdale
Knolls Loop difficulty 10.0 Mammoth Lakes
Knoxville Recreation Area difficulty 0.0 Lower Lake
Kona (Tapia Canyon) Beginner difficulty 2.0 **** Castaic
La Costa to elfin difficulty 30.0 Carlsbad
La Pata Trail Intermediate difficulty 1.0 ***** San Clemente
La Tuna Canyon Intermediate difficulty 10.0 *** Tujunga/sunland
Lacks Creek Management Area difficulty 0.0 Arcata
Lagartos Intermediate difficulty 0.3 *** Aliso Viejo
Lagoon Valley Beginner difficulty 10.0 **** Vacaville
Laguna Bowl Trail (Laguna Coast Wilderness Park) difficulty 1.0 Laguna Beach
Laguna Coast Wilderness Park Intermediate difficulty 20.0 **** Laguna Beach
Laguna Honda Hospital difficulty 1.0 San Francisco
Laguna Ridge Trail (Laguna Coast Wilderness Park) Intermediate difficulty 1.0 ***** Laguna Beach
Lake Alpine Loop Intermediate difficulty 79.0 ***** Bear Valley
Lake Calavera Intermediate difficulty 10.0 *** Carlsbad
Lake Del Valle Intermediate difficulty 20.0 **** Livermore

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