The Utamboni is a river of southwestern mainland

Equatorial Guinea Equatorial Guinea, officially the Republic of Equatorial Guinea, is a country on the west coast of Central Africa. It has an area of . Formerly the colony of Spanish Guinea, its post-independence name refers to its location both near the Equ ...

. It flows along the border with

Gabon Gabon ( ; ), officially the Gabonese Republic (), is a country on the Atlantic coast of Central Africa, on the equator, bordered by Equatorial Guinea to the northwest, Cameroon to the north, the Republic of the Congo to the east and south, and ...

and forms part of the

Muni Estuary The Muni (French: ''Rivière Muni'', Spanish: ''Río Muni'') is an estuary of several rivers of Equatorial Guinea and Gabon.''A directory of African wetlands'' By R. H. Hughes, J. S. Hughes, p. 501 (on Google Books Part of its length forms part o ...

, feeding the estuary along with the Mitimele River (the upper part of the river), as well as the Mitong, Mandyani, Congue, and Mven rivers. The river becomes the Utamboni River along the border with

References

Rivers of Equatorial Guinea {{EquatorialGuinea-river-stub