The Bé River (Vietnamese: Sông Bé) is a river of southern Vietnam. It flows through Binh Phuoc Province, Binh Duong Province and Dong Nai Province for approximately 350 kilometres.[1] It starts from Thác Mơ lake in Phuoc Long district of Binh Phuoc Province and empties to Dong Nai River near Tri An Hydro Power Plant.