Cả River

Lam River.

Ben Thuy Bridge crossover Cả River.

The Cả River (Laotian: Nam Khan, Vietnamese: Sông Cả or better known as sông Lam or Lam River wikt:蓝) is a river in mainland Southeast Asia. It originates in the Loi Mountains of Laos, crossing Lao PDR's Xiangkhouang Province, Vietnam's Nghệ An and Hà TÄ©nh provinces and empties into the Gulf of Tonkin, on the North Central Coast of Vietnam, after a 512 km journey.^[1] The Cả River zone is classified as 300 km by the Vietnam Geographical Survey.^[2] The Bến Thủy bridge, crossing into Bến Thủy, Vinh, crosses the Cả River on its Cá»­a Há»™i estuary.

References

1. Marine research in Indonesia: Issues 16-20 - Page 229 Lembaga Oceanology Nasional (Indonesia), Lembaga Ilmu Pengetahuan Indonesia - 1976 "The Ca River is the longest river in the central part of Vietnam, the main length belongs to Nghệ An and Hà Tĩnh provinces. This river possesses abundant natural resources and habitats of many valuable plants and animals,"
2. Journal of Geology: Issues 9-12 Cục địa chất Việt Nam - 1997 "2. 7. Cả River zone: This zone lies along the Cả River and Rào Nay basins, with a length of 300 km"

Coordinates: 18°45′36″N 105°45′36″E / 18.7600°N 105.7600°E