The Mekong River (Mekong River), the total length of 4880 km, is Asia's most important international river, the tenth longest river in the world; the main source forZhaqu, originated in Yushu Tibetan Autonomous Prefecture, Qinghai Province,China zadoi county. Through China, Laos, Burma, Thailand, Kampuchea and Vietnam in Vietnam, Hu Zhiming city into the South China sea. Basin except China and Burma, are members of the Mekong River commission. The upper reaches of the Mekong River in China, known as the Lancang River, River Delta in Vietnam,the Vietnamese called the nine Longjiang, the total extent of 2139 km long.湄公河(Mekong River),干流全长4880公里,是亚洲最重要的跨国水系,世界第十长河流;主源为扎曲,发源于中国青海省玉树藏族自治州杂多县。流经中国、老挝、缅甸、泰国、柬埔寨和越南,于越南胡志明市流入南海。流域除中国和缅甸外,均为湄公河委员会成员国。湄公河上游在中国境内,称为澜沧江,下游三角洲在越南境内,越南称之为九龙江,总程度长2139公里。求采纳