where does the orange river start and end
Orange River The Orange River (from Afrikaans/Dutch: Oranjerivier) is the longest river in South Africa and the Orange River Basin extends extensively into Namibia and Botswana to the north. It rises in the Drakensberg mountains in Lesotho, flowing westwards through South Africa to the Atlantic Ocean. The river forms part of the international borders between South Africa and Namibia and between South Africa and Lesotho, as well as several provincial borders within South Africa. Except for Upington, it does not pass through any major cities. The Orange River plays an important role in the South African economy by providing water for irrigation and hydroelectric power. The river was named by Robert Jacob Gordon after the Dutch Royal House. Other names include Gariep River (used by the Khoi people[6]), Groote River or Senqu River (used in Lesotho).[7]
Yangtze The Tuotuo River (沱沱河, p Tuótuó Hé, lit. "Tearful River"[24] is the official headstream of the Yangtze, and flows 358 km (222 mi) from the glaciers of the Gelaindong Massif in the Tanggula Mountains of southwestern Qinghai to the confluence with the Dangqu River to form the Tongtian River.[26]) In Mongolian, this section of the river known as the Ulaan Mörön or the "Red River".