Australia
DifficultGibb River Road — Adcock Gorge to Bell Gorge via Barnett River and Beverley Springs Station
Kimberley gorges, corrugations, and one big river.
Trail Type: Technical 4x4
Colorado
DifficultSlumgullion Pass to Lake City — Hinsdale County Alpine Loop Connector via Spring Creek
San Juan high country above 11,000 feet.
Australia
DifficultGibb River Road — Derby to Kununurra via the Kimberley Gorge Country (Wet Season Approach)
The Kimberley's red-dirt backbone.
Gandaki Province
DifficultMuktinath to Jomsom High Desert Road
Deepest gorge on Earth, on dirt.
Northern Cape
ExpertRichtersveld Ganakouriep Desert Canyon Trail
Africa's most remote canyon drive.
Australia
ExpertTelegraph Track — Bramwell Junction to Bamaga via the Old Telegraph Line
Gunshot Creek doesn't forgive the unprepared.
Namibia
ExpertSkeleton Coast Wilderness Drive — Möwe Bay to Kunene River Mouth via the Far Northern Namib Desert Shore
The most restricted drive in Africa.
California
DifficultMojave Road — Barstow to Needles via Government Holes, Piute Spring, and Fort Piute
140 miles of frontier desert — earned, not given.
Northern Cape
ExpertRichtersveld Helskloof Pass — Eksteenfontein to Alexander Bay via the Orange River Volcanic Rim
Volcanic rubble, 45°C heat, zero mercy.
Namibia
ExpertHartmann Valley to Marienfluss — Van Zyl’s Pass and the Kaokoland Wilderness Traverse
Africa's most terrifying handcut pass. Full stop.