It flows through an estuary and Africa's southernmost 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.

Presently this river is part of the Mzimvubu to Keiskama Water Management Area.

[1] There is a small population of the endangered Eastern Province rocky (Sandelia bainsii) in the Nahoon river.

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