The Sanaga River is the largest river in Cameroon located in East Region, Centre Region and Littoral Region. Its length is about 603 km (375 mi) from the confluence of Djérem and Lom River. The total length of Sanaga-Djérem River system is about 1,067.5 km (663.3 mi). Djerem is the longest source of Sanaga River with a total length of 464.5 km.