The spectacular https://www.tourismcapetown.co.za/ctru/content/en/us/full-article?oid=5633&sn=Detail&pid=2995&Cape-Karoo-and-Klein-Karoo-Mountain-Passes Swartberg Pass runs through the Swartberg mountains (black mountain in Afrikaans) which are a mountain range that runs roughly east-west along the (...) (from Wikipedia)