Antofagasta
ExpertAtacama Desert Mining Circuit
High-altitude mining roads in Earth's driest desert
Trail Type: Technical 4x4
Texas
ModerateBastrop State Park Lost Pines OHV Technical Challenge
Lost pines ecosystem with CCC history
Oklahoma
ModerateCross Timbers State Park Equestrian and OHV Circuit
Cross timbers technical challenge near Tulsa
Oklahoma
ExpertMedicine Park Granite Boulder Technical Loop
Oklahoma's gnarliest granite boulder challenge
Texas
ExpertBrushy Creek State Park Sand Circuit
Deep East Texas sand challenge through piney woods
Oklahoma
DifficultKiamichi Mountains Iron Ore Railroad Grade
Abandoned railroad through forgotten mining country
Texas
ModerateLost Pines State Park Sand Hills Circuit
East Texas pines meet Central Texas sand
Texas
DifficultPalo Duro Canyon State Park CCC Trail System
CCC roads to hidden springs in Texas's Grand Canyon
Oklahoma
ModerateAtoka County Iron Mountain Mining Circuit
Iron ore mining roads through forgotten Ouachita quarries
Texas
ModerateCaddo National Grassland Horse Creek Sand Flats
Deep sand prairie where Comanche warriors rode