Halda River

Halda River is a river in south-eastern Bangladesh. It originates at the Badnatali Hill Ranges in Ramgarh Upazila in the Chittagong Hill Tracts, flows through Fatikchhari Upazila, Bhujpur Thana, Hathazari Upazila, Raozan Upazila and Chandgaon Thana of the Chittagong Metropolitan City, and falls into the Karnaphuli River. The river has a very turbulent tributary, the Dhurung River, which joins Purba Dhalai about downstream. The river is navigable by big boats from its mouth up to Nazir Hat, and by small boats further up to Narayanhat. The Halda averages in depth and is at its deepest point.
The Halda river is also famous for breeding pure Indian carp. This is the only pure Indian carp breeding field of Bangladesh, perhaps in South Asia.