Namibia Kalahari Desert, an arid region that extends into South Africa and Botswana, is one of Namibia's well-known geographical features. The Kalahari, while popularly known as a desert, has a variety of localised environments, including some verdant and technically non-desert areas. The Succulent Karoo is home to over 5,000 species of plants, nearly half of them endemic; approximately 10 percent of the world's succulents are found in the Karoo. The reason behind this high productivity and endemism may be the relatively stable nature of precipitation. Namibia's Coastal Desert is one of the oldest deserts in the world. Its sand dunes, created
Kalahari Augrabies Extreme Marathon of 40 °C in the summer months and dropping to below 5 °C at night during the winter, presents a daunting challenge to the extreme athlete and determined adventurer alike. Known as the 'Big Daddy' in the South African running circles, the Kalahari Augrabies Extreme Marathon is event organised by Extreme Marathons, and has its place on the International Calendar of similar trail events. Participants run in the footsteps of the ancient Bushmen, through the fertile vineyards of the Orange River Valley (not in 2015), across rocky outcrops and into the desolate Great Kalahari Desert. Although the event is advertised