California
ExpertSaline Valley Road — Death Valley North Entry to Saline Warm Springs and Lippincott Mine
Warm springs, salt flats, and a shelf road with no guardrails.
Difficulty: Expert
Level 4
Canada
ExpertChurchill Road — Gillam to Churchill via Boreal Shield Backcountry
Subarctic muskeg. Polar bears. No bail-out.
Canada
ExpertIsland Lake Road — Red Sucker Lake to Garden Hill Northern Air-Access Corridor
Cree homeland edge, subarctic solitude.
Canada
ExpertProvincial Road 373 — Gods Lake Narrows to Oxford House Remote Community Circuit
Muskeg, ice roads, and zero margin for error.
Canada
ExpertFlin Flon to Athapapuskow Lake Mining Road — Hanson Lake Road Backcountry
Precambrian rock, mining ghosts, zero pavement.
Canada
ExpertChemin du Lac Chibougamau — Eeyou Istchee Cree Homeland Northern Mining Circuit
North of Chibougamau — Cree country, mining roads, no margin.
Canada
ExpertChemin du Lac Waconichi — Eeyou Istchee Chibougamau Mining Road
Subarctic fringe — James Bay starts here.
Canada
ExpertBathurst Inlet Winter Road — Tibbitt to Contwoyto Extension to Arctic Coast
Barren Lands to the Arctic coast on frozen lakes.
Canada
ExpertSnowdrift River Road — Łutsël K’é to Snowdrift River Wilderness
Shield granite and bogs at the edge of the known.
Canada
ExpertMackenzie Valley Winter Road — Fort Simpson to Tulita via Wrigley
Arctic ice highway — no summer version exists.