This gravel pass is located near the foot of the much bigger Mokobulaan Pass and forms a southern extension to it. It follows the course of the dominant river in the valley - the Houtboslooprivier, after which the pass is named. At 10,3 km it's well above the national average in terms of length and offers some lovely Lowveld scenery as it descends steadily to the valley floor and features some good views of the Wonderkloof gorge on it's northern side.
With an average gradient of 1:31 this pass can be driven in a normal car, but when conditions are wet, there could be traction issues on the steeper sections which max out at 1:10. There are 44 bends, corners and curves, including one very sharp hairpin of 180 degrees, compressed into it's length and the usual gravel road cautionaries for Mpumalanga passes apply here, which include rutted and uneven surfaces due to washaways, dense mountain mists, heavy logging trucks and livestock on the road.
Mountain Passes South Africa is a website dedicated to the research, documentation, photographing and filming of the mountain passes of South Africa.
Passes are classified according to provinces and feature a text description, Fact File including GPS data, a fully interactive dual-view map and a narrated YouTube video.
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