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Which mountains contain the headwaters of the Mekong River?
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Mekong River
The Irrawaddy and Mekong river basins and their drainage networks.
The headwaters of the Mekong River, including its principal headstream, the Za Qu River, rise on the north slope of the Tanggula Mountains in the Qinghai province of China. These sources are located at an elevation of more than 16,000 feet (4,900 metres) within the Plateau of Tibet.12