Mekong

Mekong River 湄公河 (Méigōng Hé) / 澜沧江 (Láncāng Jiāng) မဲခေါင်မြစ် (Megaung Myit) ແມ່ນ້ຳຂອງ (Maenam Khong) แม่น้ำโขง (Maenam Khong) ទន្លេមេគង្គ (Tônlé Mékôngk) Sông Mê Kông / Sông Cửu Long (九龍)
Mekong River, Luang Prabang, Laos
Mekong River watershed
Location
Country	China, Myanmar, Laos, Thailand, Cambodia, Vietnam
Physical characteristics
Source	Lasaigongma (拉赛贡玛) Spring
• location	Mt. Guozongmucha (果宗木查), Zadoi, Yushu Tibetan Autonomous Prefecture, Qinghai,
• coordinates	33°42.5′N 94°41.7′E / 33.7083°N 94.6950°E / 33.7083; 94.6950
• elevation	5,224 m (17,139 ft)
Mouth	Mekong Delta
• location	Vietnam
• coordinates	10°11′N 106°45′E / 10.19°N 106.75°E / 10.19; 106.75
• elevation	0 m (0 ft)
Length	4,350 km (2,700 mi)
Basin size	795,000 km2 (307,000 sq mi)
Discharge
• location	Mekong Delta, South China Sea
• average	16,000 m3/s (570,000 cu ft/s)
• minimum	1,400 m3/s (49,000 cu ft/s)
• maximum	39,000 m3/s (1,400,000 cu ft/s)
Basin features
Tributaries
• left	Srepok, Nam Khan, Tha, Nam Ou
• right	Mun, Tonlé Sap, Kok, Ruak

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The Mekong or Mekong River is a trans-boundary river in East Asia and Southeast Asia. It is the world's twelfth-longest river and the third-longest in Asia^[1] with an estimated length of 4,909 km (3,050 mi)^[1] and a drainage area of 795,000 km² (307,000 sq mi), discharging 475 km³ (114 cu mi) of water annually.^[2] From its headwaters in the Tibetan Plateau, the river runs through Southwest China (where it is officially called the Lancang River), Myanmar, Laos, Thailand, Cambodia, and southern Vietnam. The extreme seasonal variations in flow and the presence of rapids and waterfalls in the Mekong make navigation difficult. Even so, the river is a major trade route between Tibet and Southeast Asia. The construction of hydroelectric dams along the Mekong in the 2000s through the 2020s has caused serious problems for the river's ecosystem, including the exacerbation of drought.^[3][4][5]