12,435 Trails in United States

Trail Name	Difficulty	Length (mi)	Rating	City
Upper Loop		7.0		Crested Butte
Upper Lonberger Path		1.0		State College
Upper Lightning Creek Trail #425		1.69		Twisp
Upper Lewellyn Cove (Fontana Village)		2.0		Fontana Village
Upper Laurel Canyon Trail (Laguna Coast Wilderness Park)		1.0		Laguna Beach
Upper Las Vegas Wash Trail		1.7		North Las Vegas
Upper Lake Trail		3.0		Port Washington
Upper Ivan XC (Tokul – East)		0.65		Fall City
Upper Hermosa (Levis Mounds)		1.4		Neillsville
Upper Hardy Creek Trail (Beacon Rock State Park)		1.99		Skamania
Upper Glen (Levis Mounds)		0.7		Neillsville
Upper Falls Trail (South Mountain Loop)		3.5		Morganton
Upper Fall Line And Lower Fall Line (Big Bear Mountain Resort)		1.0		Big Bear Lake
Upper Elliott Trail 647		3.23		Darrington
Upper Eagle Lake Trail 431A		0.51		Twisp
Upper Dry Creek Area Trails		32.0		Sedona
Upper Coyote Wash		10.0		Oro Valley
Upper County Park		4.0		Williamsburg
Upper Chikamin Tie Trail #1561		4.36		Plain
Upper Buffalo Headwaters Trail System		35.0		Boxley
Upper Brookbank Loop		3.0		Flagstaff
Upper Big Rock Trail (Yellow Fork Canyon County Park)		0.8		Herriman
Upper Bidwell Park		11.0		Chico
Upper Bench Cut Trail (Hogbacks)		1.0		Canon City
Upper Apricot Crisp Trail (Sage Hills)		0.74		Wenatchee
Uplands Loop (Saltese Conservation Area)		3.63		Spokane Valley
Uphill Both Ways (Little Sugar Creek)		1.26		Bella Vista
Up Shooter, Mr. Hyde, Mrs. Hyde. Down Lament, Dry Canyon DH, and Bonneville Shoreline Trail (Provo Canyon/Dry Canyon Loop)		7.0		Orem
Up Nort (Nine Mile)		1.0		Wausau
Up Down Trail (Cronan Ranch)		2.0		Pilot Hill
Up & Up (Placitas Trails)		1.0		Placitas
Uno Peak Trail #1260		5.82		Chelan
Unnamed New Trail off Rock Hollow Trail		1.0		Wildwood
Unnamed Mostly Doubletrack		15.0		Coulee City
Unnamed		3.0		Paso Robles
UnMarked Technical Loop (Vasa Trail)		8.0		Traverse City
Unknown		3.0		Hadley
Unknown		0.0		Folsom, El Dorado Hills
Unkle Nazty (Arkansas Hills)		1.0		Salida
University Forest Trail		7.0		Poplar Bluff
Union Valley Reservoir		7.0		Kyburz
Union University Trail System		3.0		Jackson
Unicoi State Park		8.0		Helen
Unemployment Line (Galbraith Mountain)		0.6		Bellingham
UNCW Campus Trails		10		Wilmington
Uncleanable Loop		14.0		Ishpeming
Uncle Ricos (Wilkins Peak Trails)		0.0		Green River
Unchained (Midland Hills Trails)		2.7		Buena Vista
UNCC Campus Trails		10.0		Charlotte
UNC Outdoor Recreation Center		2		Chapel Hill

Know of a new mountain bike trail not listed here? Please tell us about it using this form. Find mountain bike trails near you or for even more trail inspiration and how we ranked the mountain bike trails, see this list of the best mountain bike trails in the world.