The Grobbelaarskloof Pass is named after a farm which is actually in the next kloof to the east. This pass is also commonly known as Colenso Heights. It descends into Colenso from the north-west and is part of the old tarred main road (R103) between Colenso and Ladysmith. The road drops just under 200m in altitude over 5.7 km producing an easy average gradient of 1:29, with the steepest parts being at 1:10. It's a fairly minor pass in the greater scheme of things, but like many of the smaller neks and passes in this area, it's jam packed with battlefields history.
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