Lesotho–South Africa border Lesotho–South Africa border The border between Lesotho and South Africa is long and forms a complete loop, as Lesotho is an enclave entirely surrounded by South Africa. The border follows the Caledon River, the drainage divide of the Drakensberg mountains, the Tele River, the Orange River, the Makhaleng River, and a series of hills joining the Makhaleng back to the Caledon. The Basotho people formed a distinct polity in the 1820s under Moshoeshoe I, the first Paramount Chief. At that time Basotho territory included much of what is now the Free State province of South Africa. This territory was lost
Geology of Lesotho yield and frequent springs. Steep terrain, rain and snow melt mean that Lesotho has a high risk of landslides. Lesotho has extensive diamond deposits in both kimberlites and alluvial gravel. The country has the highest concentration of kimberlite bodies in the world—a total of more than 400, including 343 dikes, 39 pipes and 23 blows. Northern Lesotho has an average of one kimberlite body for every 10 square kilometers. In spite of the large deposits, very few sites are mined and research is ongoing into alluvial deposits. The Karoo Supergroup hosts low-grade uranium and likely coal and coal-bed methane, although