B4 is a national highway of

Namibia Namibia (, ), officially the Republic of Namibia, is a country in Southern Africa. Its western border is the Atlantic Ocean. It shares land borders with Zambia and Angola to the north, Botswana to the east and South Africa to the south and ea ...

. It passes through the

ǁKaras Region The ǁKaras Region (pronounced , with a lateral click) is the southernmost and least densely populated of the 14 regions of Namibia; its capital is Keetmanshoop. The name assigned to the region reflects the prominence of the Karas mountain rang ...

of Namibia in the south-west in a west–east direction for , connecting

Lüderitz Lüderitz is a town in the ǁKaras Region of southern Namibia. It lies on one of the least hospitable coasts in Africa. It is a port developed around Robert Harbour and Shark Island. The town is known for its colonial architecture, includi ...

on the coast to

Keetmanshoop Keetmanshoop is a city in the ǁKaras Region of southern Namibia, lying on the Trans-Namib Railway from Windhoek to Upington in South Africa. It is named after Johann Keetman, a German industrialist and benefactor of the city. History Befo ...

. The B4 crosses the '' Sperrgebiet'', an area restricted for diamond mining along the coast of the

Atlantic The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe an ...

, between Aus and Lüderitz. Travellers may leave the road only at demarcated places. It also forms the southern border of the

Namib-Naukluft National Park The Namib-Naukluft Park is a national park in western Namibia, situated between the coast of the Atlantic Ocean and the edge of the Great Escarpment. It encompasses part of the Namib Desert (considered the world's oldest desert), the Naukluft mo ...

References

Roads in Namibia Buildings and structures in ǁKaras Region Namib-Naukluft National Park {{Namibia-stub