USA
ModerateEscalante Hole-in-the-Rock Road — Escalante to Lake Powell via the Grand Staircase Slickrock Corridor
Mormon pioneer slickrock — 1879 grit, still no easy way.
Trail Type: Technical 4x4
Northern Cape
ExpertRichtersveld Sendelingsdrift to Ai-Ais — Orange River Canyon Desert Traverse via Helskloof Pass
Helskloof doesn't forgive bad decisions.
Algeria
ExtremePiste de l’Erg Iguidi — Tindouf to Bir Mogreïn via the Erg Iguidi Sand Sea
Five hundred kilometres of Saharan sand with no help coming.
Marrakech-Safi
DifficultOurika Valley to Oukaimeden — High Atlas Ski Station Desert Climb via Tizi n’Ait Imguer
Berber villages to Africa's highest ski run.
Colorado
DifficultSlumgullion Pass to Silverton — Alpine Loop High Spine via Cinnamon and Engineer Passes
Two 12,000-foot passes. Ghost towns. Real exposure.
Australia
ExtremeGibb River Road — Derby to Kununurra via the Kimberley Gorge Country (Wet Season Closed)
1,100 dunes. No shade. No mercy.
Algeria
ExtremePiste du Hoggar Ouest — Tamanrasset to In Salah via the Atakor Volcanic Plateau Western Descent
The Sahara's western descent — unforgiving and vast.
Australia
DifficultGibb River Road — Adcock Gorge to Barnett River Gorge via Kimberley Plateau Interior
Corrugations, gorges, and Kimberley grit.
Australia
DifficultGibb River Road — Lennard River to Adcock Gorge via the Kimberley Ranges Spine
Bulldust, crossings, and gorge-country solitude.
Gandaki Province
ExpertTatopani to Kagbeni — Mustang Salt Trail via Kali Gandaki Gorge
The world's deepest gorge on four wheels.