Kalahari Desert northwest, forming marshes that are rich in wildlife. Ancient dry riverbeds—called omuramba—traverse the central northern reaches of the Kalahari and provide standing pools of water during the rainy season. A semi-desert, with huge tracts of excellent grazing after good rains, the Kalahari supports more animals and plants than a true desert, such as the Namib Desert to the west. There are small amounts of rainfall and the summer temperature is very high. The driest areas usually receive of rain per year, and the wettest just a little over . The surrounding Kalahari Basin covers over extending further into Botswana, Namibia
Kalahari Augrabies Extreme Marathon Kalahari Augrabies Extreme Marathon The Kalahari Augrabies Extreme Marathon is a self-sufficient run over seven days, covering an approximate distance of . The event takes place in the Kalahari Desert in the proximity of the Augrabies Falls on the Orange River. The route traverses the Augrabies Falls National Park, private game parks including Khamkirri, Thorntree and Dabaras and many private farmlands. Due to issues the private landowners have had with the organisers the 2014 event took place entirely within the borders of the AFNP and entirely on the Southern side. This contrasting environment with average day temperatures reaching in excess