Colorado
ModerateColorado BDR Central Segment — Gunnison to Salida via Cochetopa Hills and Marshall Pass
Old railbed, aspen groves, and 10,800-foot silence.
Feature: High Altitude
Aysén Region
ExpertPaso Vergara to Lago General Carrera via Villa O’Higgins — Carretera Austral Remote Southern Terminus
Patagonia's hardest road. No arguing it.
Argentina
DifficultRuta 40 Central — Malargüe to Barrancas via the Patagonian Volcanic Steppe
Lava fields, guanacos, and Patagonian wind.
Argentina
ModerateRuta 40 Norte — Cafayate to Cachi via the Calchaquí Valley High Road
The real Ruta 40. Dirt, altitude, zero traffic.
Morocco
DifficultPiste du Dades — Boumalne Dades to Msemrir via the Dades Gorge and High Atlas Plateau
Past the tourist switchbacks, the real Dades begins.
Mauritania
ExtremePiste de Tichit-Oualata — Tichit to Oualata via the Aoukar Depression Ancient Caravan Road
Two UNESCO ghost cities. Zero margin for error.
Libya
ExtremePiste de l’Erg Murzuq — Germa to Umm al-Maa via the Fezzan Oasis Lakes and Sand Sea
Garamantian ruins to lost desert lakes.
Algeria
ExpertPiste de Timimoun — Adrar to Timimoun via the Grand Erg Occidental Red Oasis Corridor
Red oasis cities and a sand sea that swallows tracks whole.
Morocco
ExpertPiste de l’Erg Chebbi Sud — Merzouga to M’Hamid via the Saharan Dune Corridor and Draa Valley
Real Sahara. No tourist camps past this point.
Arizona
ModerateArizona BDR Southern Segment — Nogales to Safford via the Sky Islands and Pinaleno Mountains
Desert floor to alpine spruce — the Sky Islands in one run.