Which of the following rivers is the longest river in Southeast Asia, originating on the Tibetan Plateau and flowing through multiple countries before emptying into the South China Sea?

💡 Solution & Explanation

The Mekong River is the longest river in Southeast Asia, originating on the Tibetan Plateau and flowing through China, Myanmar, Laos, Thailand, Cambodia, and Vietnam before draining into the South China Sea. Rivers like the Irrawaddy and Chao Phraya are located within smaller regional boundaries and do not traverse as many countries. Major river systems of Asia form a recurring theme in world geography questions.