Iceland
DifficultLandmannalaugar to Þórsmörk — Laugavegur Highland Track via Hrafntinnusker and Emstrur (Full Classic Traverse)
Volcanoes, obsidian, and glacial fords — no bridges.
Surface: Mixed
California
ModerateMineral King Road — Three Rivers to Mineral King via the Sequoia National Park High Valley (Full Climb)
698 curves, no guardrails, marmots eat your hoses.
Algeria
ExtremePiste de Tamanrasset à Djanet — Hoggar to Tassili via Hirafok and the In Amguel Plateau (Trans-Saharan South Segment)
Hoggar to Tassili. No services. No margin.
Australia
DifficultRica Roca Track — Parachilna to Blinman via the Elder Range and Heysen Range Spine (Flinders Ranges Classic)
Ancient quartzite, zero signal, real outback.
Australia
ModerateTharwa to Boboyan — Namadgi National Park High Country Track via Corin Dam and Boboyan Road (ACT–NSW Alpine Divide Run)
Alpine wilderness, an hour from the capital.
Mali
ExpertPiste de Gao à Hombori — Niger Bend Desert Piste via Ansongo and the Gourma Elephant Country (Mali Sahel Classic)
Desert elephants, red rock towers, and no safety net.
Agadez Region
ExpertPiste de l’Aïr — Agadez to Iférouane via Timia Oasis and the Central Aïr Massif Volcanic Core
Tuareg country, volcanic gorges, hidden oasis.
Australia
DifficultKellys Camp to Cunnamulla — Bulloo Overflow Channel Track via the Hungerford Dingo Fence
Dingo Fence, clay pans, and nothing else.
New Mexico
ModerateTrans-America Trail — Hachita to Antelope Wells via the New Mexico Boot Heel Desert and Mexican Border
End of the road. Literally.
Zambia
DifficultLuangwa Valley Track — Chipata to South Luangwa via the Luangwa River Flood Plain and Mfuwe Gate
Rift floor, black cotton, and big game.