Lesotho can be roughly divided into three geographic regions: the lowlands, following the southern banks of the Caledon River, and in the Senqu river valley; the highlands formed by the Drakensberg and Maloti mountain ranges in the east and central parts of the country; and the foothills that form a divide between the lowlands and the highlands. The lowest elevation in the country is at the junction of the Makhaleng and Orange (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 .