Rivers and Hydrology

Published on 16 - 04 - 2014

There are a lot of rivers in Hung Yen Province. Around the province, three sides also have border with rivers. In the West, South and East, there are successively the Red River, Luoc River and Cuu An River. In addition, there are the Duong River, which runs over Hai Duong’s terriority and shares border with Hung Yen province to the east and northeast and inland river systems such as the Kim Son, Dien Bien, Tay Ke Sat Rivers in Bac - Hung - Hai river system.

Although some tributaries of the rivers flow in different directions, they finally pour into the mainstream in northwest - southeast direction.

The Red River

Rising from China, the Red River has a total length of 1,183 km. Its part in Vietnam is 493 km long. The widest part is 1300 m; the narrowest part is 400 m. About 57 km of the Red River across Hung Yen has formed a natural border of the province to the west.

The Red River’s tributary running to the north of Hung Yen is called the Thien Mac River, and the one to Kim Dong and Hung Yen city is called Dang Giang. It has been called Hong Ha or the Red River since the country was invaded by French colonialism.

It flows down to the lowland to deposit silt. However, because of its characters, it causes erosion phenomenon in two banks, leading to flood.

The Luoc River

The Luoc River is also called Pho Da or Da Lo River. It is originally distributary of the Red River in Hung Nhan district (Thai Binh province) and flows into the Thai Binh River at Quy Cao (Tu Ky district, Hai Duong province). Its average width is 150-250 m, and its depth is 4-6 m. The total length is 70 km, 26 km of which runs over Hung Yen and forms the province’s border line to the south.

The Cuu An River

It was originally the Red River’s distributary to the east, and then was buried in the estuary. It is also known as the Cuu Yen River, Si River, Ba Dong or Bang Ngang. The Cuu An river, with 23,5km in length, runs from Nghi Xuyen to the T-junction of Tong Hoa - Phu Cu. It is not only a main branch of Bac - Hung - Hai irrigational system, but also the drainage and water supply for the province, especially in Khoai Chau and Kim Dong.

The Ke Sat River

The Ke Sat River is a 35km – long river linking the Sinh River in Hai Duong with the last part of the Cuu An River. The Ke Sat River, which is 20km long from Thinh Van (My Hao) to Tong Hoa (Phu Cu), lies in the East of the province. It flows in parallel with the Red River, which makes Hung Yen surrounded by rivers in all three sides.

It is not only a major branch of Bac - Hung - Hai river system, but also the drainage and water supply for Hai Duong and Hung Yen provinces.

The Hoan Ai River

It was originally the Red River’s distributary to the east, and then was buried in the estuary so it became a tributary of Bac - Hung – Hai river system. When building Xuan Quan sewer, the Hoan Ai River was dug to connect into Kim Nguu and Dao Khe Rivers. It is a main river of Bac - Hung - Hai irrigational system. It takes water from the Red River to supply other rivers in the province’s irrigational system. Its total length is 36 km from Xuan Quan to Tranh drain.

The Nghia Tru River

Derived from the Red River, the Nghia Tru River now includes two sections apart due to the sedimentation of silt. The first part starts from Gia Lam, pasing by Van Giang, Xuan Cau, Dong Tinh and then pours into the Hoan Ai River. During the building process of Bac - Hung - Hai irrigational system, the first part was dug widely and called the Kim Son River. It is used for draining and providing water for Van Giang district as well as the whole province.

The rest part in the south of the province is known as the Cau Cap River or Diem Xa, Mai Xa River. It starts from the interflow in Ba Dong hamlet (Phan Sao Nam), passing by Cau Cap in Doan Dao commune (Phu Cu), and then flows to Ha Linh hamlet where it joins the Ho Kieu River and flows straight down to Mai Xa (Tien Lu). It is used for draining and providing water for Tien Lu and Phu Cu districts.

The Dien Bien River

It is derived from the Hoan Ai River (from Luc Dien). It flows along the province through Dong Tien, Hong Tien (Khoai Chau), into the territory of Kim Dong, joining the Cuu An River, then runs down to Cua Can (Hung Yen city). The river is 20 km long. It is used for draining and providing water for Khoai Chau and Kim Dong districts.

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