1. What is the length of the Red River?

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Frequently Asked Questions

1.

What is the total length of the Red River in kilometers?

The total length of the Red River, also known as Sông Hồng, is 1,149 kilometers. Within Vietnam, it stretches for 510 kilometers, playing a crucial role in the cultural heritage and agricultural activities of the region.
2.

Where does the Red River originate and where does it flow to?

The Red River originates in the mountains of Yunnan, China, and enters Vietnam in Lào Cai province. It flows through several provinces before emptying into the Gulf of Tonkin at the Ba Lat estuary.
3.

How does the Red River contribute to agriculture in Vietnam?

The Red River significantly enhances agricultural productivity by depositing fertile silt along its banks. This silt supports rice cultivation and other crops in the Red River Delta, making it a vital resource for local farmers.
4.

What is the average annual water flow of the Red River?

The Red River has an impressive average annual water flow of approximately 2,640 m³/s at its mouth. This flow varies significantly, dropping to about 700 m³/s in the dry season and surging to as much as 30,000 m³/s during peak rainfall.
5.

What provinces and cities are located along the Red River?

The Red River flows through several provinces in Vietnam, including Lào Cai, Yên Bái, Vĩnh Phúc, Phú Thọ, Hanoi, Hưng Yên, Hà Nam, Nam Định, Thái Bình, and Hải Phòng, highlighting its extensive reach and importance.

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