oa Civil Engineering = Siviele Ingenieurswese - Part 17 (Final): Huisrivier Pass



Huisrivier Pass is west of Calitzdorp on the road to Ladysmith. Prior to its opening in 1897, traffic had to use the tortuous route via Caledon Kloof (or Verkeerdekloof) about 10 km to the south. After crossing the Gamka River, Huisrivier Pass climbs up a valley where the mountains to the north push against the mountains to the south, leaving very little room indeed for a road. The southern mountains are too indented and broken to encourage anyone to think of putting a road there, while the northern mountains have been inclined by folding in such a way that any bits of rock that break off or weather away find it natural to slide downhill onto the road.


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