Texas
ModerateCross Timbers Mining District Heritage Trail
Iron ore heritage meets Cross Timbers challenge.
Feature: Historic
Texas
ModerateDavis Mountains Fort Davis to McDonald Observatory High Route
Sky island traverse to Texas' astronomical crown
Texas
EasyPermian Basin Historical Oil Field Traverse
Industrial heritage across America's oil heartland
Oklahoma
ExpertKiowa National Grassland Canadian River Breaks Technical Challenge
Expert canyon challenge where Comanche controlled the plains
Oklahoma
DifficultOuachita National Forest Horse Thief Springs Technical Loop
Technical mountain loop where outlaws once watered horses
Texas
ModerateEast Texas Pineywoods Sabine National Forest Logging Road Network
Lost logging roads through East Texas timber maze
Oklahoma
EasyTalihina Drive Buffalo Mountain Overlook Circuit
Oklahoma's ridge-running mountain scenic through Ouachitas
Texas
ModeratePalo Duro Canyon Lighthouse Trail Technical Challenge
Red rock technical through America's second canyon
Oklahoma
ModerateSeminole Nation Gaming District Sand Hills Explorer
Deep sand and oil boom ruins in Seminole County
Texas
ExpertBig Bend Ranch State Park Ojito Adentro Mining District Circuit
Mercury mining roads through volcanic desert canyons