The Bouldersberg Pass, together with it's sister pass, the Mpageni Pass forms the bulk of the old Nelspruit-Kaapmuiden road. It is a narrow tarred road [D286] that traverses the Crocodile Poort Nature Reserve. It descends 454 vertical meters over a distance of 8,7 km to produce a stiff average gradient of 1:19, with some sections as steep as 1:14. The pass terminates near the intersection with the tarred R38 to Barberton. Watch out for wild animals, especially at night and it should also be noted that there are two control booms, where you have to sign in and out. This pass should be reviewed with the Mpageni Pass as they virtually run back to back. The road parallels the Crocodile river for most of its length.
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