The Nahoon River (Xhosa: Nxaruni) is situated in the city East London on the East Coast of South Africa. It is to the east of the Buffalo River harbour, and is to the west of Gonubie River. The suburb of Nahoon is on its west bank and Beacon Bay is on the east bank. It flows through an estuary and Africa's southern most mangrove forest into the Indian Ocean. Its mouth is located near Nahoon Reef which is a famous surfing spot and is also known for attacks by Great White Sharks.