Top 2 in Top 7 longest rivers in Vietnam.
The River Lam, another name is thousand, is a river in north central Vietnam.
The total length of the river is 300 km. The river flows northwest – southeast, when the sea reaches back to north
Both the meaning "big", which also means "mother ", the mother of the small rivers that pour back like Nam to be, Nam Graves, River John, and the River La. The name "River Lam" is probably due to the blue water. The river also has names such as Lam Giang, Thanh Long Giang, Lam Thuy.