| Hát Giang, sông Gián Khẩu | |
|---|---|
|
Day River through Ninh Phúc Port
|
|
| Country | Vietnam |
| Region | Hà Nội, Hòa Bình, Hà Nam, Ninh Bình and Nam Định |
| Basin features | |
| Main source | Geladaindong Peak, Tanggula Mountains, Qinghai (Đan Phượng) 5,042 m (16,542 ft) |
| River mouth | Đáy Mouth, Kim Sơn 0 m (0 ft) |
| Physical characteristics | |
| Length | 240 km (150 mi) |
The Day River (Vietnamese: Sông Đáy) is a river in Vietnam. It was formerly known as Sông Hát or Hát Giang. The river is a distributary of the Red River, draining into the Gulf of Tonkin.
The river has a length of 240 km and has a drainage basin of more than 7,500 km², flowing through Hanoi, and the provinces of Hòa Bình, Hà Nam, Ninh Bình and Nam Định.