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澜沧江是中国西南地区的大河之一,是世界第九长河,亚洲第四长河,东南亚第一长河。澜沧江发源于青海省玉树藏族自治州的杂多县吉富山,源头海拔5200米,流出国后称湄公河,为缅甸、老挝的界河。澜沧江经缅甸、老挝、泰国、柬埔寨、越南,在越南南部胡志明市南面入太平洋的南海,总流域面积81万平方千米,是亚洲流经国家最多的河流,被称为“东方多瑙河”。澜沧江在中国境内长2179千米,流经青海、西藏、云南3省,其中在云南境内1247千米,
The Lancang River is one of the great rivers in southwest China and is the ninth longest river in the world, the fourth longest river in Asia and the longest river in Southeast Asia. Lancang River originated in Yoshino Tibetan Autonomous Prefecture of Qinghai Province, Yoshino Hill Jotun, 5200 meters above sea level source, after the country called the Mekong, Burma, Laos border river. The Lancang River flows through Myanmar, Laos, Thailand, Cambodia and Vietnam to the south of the Pacific south of Ho Chi Minh City in southern Vietnam. The total drainage area of the Lancang River is 810,000 square kilometers. It is Asia’s largest river flowing through the country and is known as the “Oriental Danube” . The Lancang River is 2179 kilometers long in China, passing through Qinghai, Tibet and Yunnan provinces, of which 1,247 kilometers are in Yunnan,