Missouri
ExpertTaum Sauk Mountain Iron Mountain Loop
Missouri's highest peak through billion-year-old granite
Trail Type: Technical 4x4
Missouri
ModerateOzark Trail – Johnson’s Shut-Ins Section
Billion-year granite meets modern 4WD
USA
ModerateBehind the Rocks Trail
Slickrock maze threading towering sandstone fins
USA
ExpertHell’s Revenge
Moab's ultimate slickrock challenge
USA
ExpertKokopelli’s Trail
142-mile cross-state technical punishment route
USA
DifficultTop of the World Road
Moab's highest and most dramatic overlook
USA
ModerateFive Mile Pass OHV Area
Salt Lake City's technical rock crawling playground
USA
ExpertPoison Spider Mesa
Moab's most notorious slickrock challenge
Iowa
DifficultCold Water Springs State Forest Ridge Road
CCC-era ridge roads through challenging timber country
Iowa
DifficultAllamakee County Mississippi River Bluff Technical Loop
Iowa's most technical terrain above the Mississippi.