Texas
ModerateDavis Mountains State Park CCC Fort Davis Loop
CCC desert road through volcanic Davis Mountains.
Feature: High Altitude
Texas
ModerateLlano County Pink Granite Dome Explorer
Billion-year-old pink granite dome country
Oklahoma
ExpertMedicine Park Granite Boulder Technical Loop
Oklahoma's gnarliest granite boulder challenge
Texas
ExpertGuadalupe Mountains Pine Spring Canyon Technical Access
Expert Permian reef climb through Texas's fossil capital
Texas
ModerateDavis Mountains Fort Davis to McDonald Observatory High Route
Sky island traverse to Texas' astronomical crown
Oklahoma
EasyTalihina Drive Buffalo Mountain Overlook Circuit
Oklahoma's ridge-running mountain scenic through Ouachitas
Oklahoma
DifficultOuachita National Forest Black Fork Mountain Technical Ridge
Ouachita ridgeline logging roads and fire towers
Texas
ExpertBig Bend Ranch State Park Ojito Adentro Mining District Circuit
Mercury mining roads through volcanic desert canyons
Texas
ExpertFranklin Mountains Desert Vista Loop
Desert mountain mining roads above the Rio Grande
Oklahoma
ModerateOuachita Mountains Winding Stair Ridge Trail
Moonshine routes through Oklahoma's highest peaks