The Kadéï River is a tributary of the Sangha River that flows through Cameroon and the Central African Republic. Its total drainage basin is 24,000 km. The river rises from the eastern Adamawa Plateau, southeast of Garoua-Boulaï () in Cameroon's East Province.
The Kadéï River is a watercourse that feeds into the Sangha River and flows through Cameroon and the Central African Republic. Its watershed covers an area of 24,000 km². The river begins on the eastern Adamawa Plateau, near Garoua-Boulaï () in Cameroon's East Province.