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Bạch Đằng River flow = 6 280 m/s
Bạch Đằng River
Location
Country	Vietnam
Physical characteristics
Mouth	Nam Trieu Gate
• location	Vietnam
• elevation	0 m (0 ft)
Length	43 km (27 mi)[1]

The Bạch Đằng River (Vietnamese: Sông Bạch Đằng, IPA: [ʂəwŋ ɓàjk̟ ɗâŋ]), also called Bạch Đằng Giang (from 白藤江), white wisteria river, is a river in northern Vietnam, located near Hạ Long Bay. It flows through the Yên Hưng District of Quảng Ninh Province as well as the Thủy Nguyên District of Haiphong.

It is the best river way to access Ha Noi from the south of China, through the Nam Trieu gate, then Kinh Thầy River, Đuống River, and then Hong River to access Ha Noi.

The Bạch Đằng River has been the site of three important battles in Vietnamese history:

• 938 where Ngô Quyền win against Southern Han attack, resulting in Vietnamese independence.
• 981 where Lê Đại Hành win against Song dynasty.
• 1288, where General Trần Hưng Đạo employed tactics used in 938 to drive out Mongol invaders.

The stakes of Bạch Đằng river were defensive obstacles featured in the three famous battles on the river. The first event was in 938, as part of Ngô Quyền's battle strategy. Several ancient stakes were discovered by archaeologists.

20°50′39″N 106°37′54″E / 20.8442°N 106.6317°E / 20.8442; 106.6317