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The source of the Mekong river in Jifu Mts of Qinghai, China. From its source to mouth, the total length of the Mekong is 4,909 km or 3,051 miles.

Source: S. Liu, P. Lu, D. Liu, P. Jin, W. Wang, Pinpointing the sources and measuring the lengths of the principal rivers of the world, International Journal of Digital Earth, Volume 2, Issue 1 March 2009 , pages 80 - 87,DOI: 10.1080/1753894090274608

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12y ago

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