Kad River total drainage basin is 24,000 km and the river rises from the eastern Adamawa Plateau it is also swelled by two tributes
Its total drainage basin is 24,000 km. The river rises from the eastern Adamawa Plateau, southeast of Garoua-Boulai ( in Cameroon's East Province. The Kadei is swelled by two tributaries, the Doume at Mindourou () and the Boumbe (), before flowing east into the Central African Republic. 
