Sani Pass was first driven in 1948, when a war-surplus Willys Jeep ground its way to the top in five and a half hours. Basotho men with mules and ropes hauled it over the pitches the engine could not manage. The road still climbs the same wall. It leaves KwaZulu-Natal at 1,544 metres and tops out at 2,876 metres on the Lesotho border; the final eight kilometres do most of the work, gaining some 900 metres on a ladder of hairpins cut into the basalt cliffs of the Drakensberg escarpment. South African law lets only 4x4s past the border post at the foot of that climb, because the gravel turns to loose rock, mud or ice with little warning. At the top the country changes: Lesotho is the only nation on Earth lying entirely above 1,000 metres, hence its name, the Kingdom in the Sky.
Most people ride up with a guided operator out of Underberg, watching the valley floor drop away bend after bend until the road below looks like dropped rope. At the summit a hut stamps you into Lesotho, and Sani Mountain Lodge — the highest pub in Africa, at 2,874 metres — pours the beer that ends the drive. Beyond it the plateau opens out: grazing Basotho ponies, herders wrapped in wool blankets, grass running to the horizon. The pass is changing, though. It climbs through wilderness inside the uKhahlamba-Drakensberg World Heritage Site, and paving it has been fought over for years: tar reached the South African border post in 2022, and the province means to surface the final 4x4 ladder too, after a ruling that would have kept it gravel was overturned on appeal. For now the top eight kilometres are still dirt, still 4x4-only, and still shut by snow several times a winter.