Geography of Lesotho (Senqu) rivers (at the South African border), which at is the highest lowest point of any country. Lesotho is the only independent state in the world that lies entirely above in elevation. The highest point is the peak of the Thabana Ntlenyana mountain, which reaches an elevation of . Over 80% of Lesotho lies above . Even though very little of Lesotho is covered in water, the rivers that run across the country are an important part of Lesotho's economy. Much of the country's export income comes from water, and much of its power comes from hydroelectricity. The Orange River
Geology of Lesotho Geology of Lesotho The geology of Lesotho is built on ancient crystalline basement rock up to 3.6 billion years old, belonging to the Kaapvaal Craton, a section of stable primordial crust. Most of the rocks in the country are sedimentary or volcanic units, belonging to the Karoo Supergroup. The country is notable for large fossil deposits and intense erosion due to high rainfall and a rare case of southern African glaciation during the last ice age. Lesotho has extensive diamonds and other natural resources and has the highest concentration of kimberlite pipes anywhere in the world. Lesotho shares many commonalities