Lake Fianga is a lake in

Chad Chad (; ar, تشاد , ; french: Tchad, ), officially the Republic of Chad, '; ) is a landlocked country at the crossroads of North and Central Africa. It is bordered by Libya to the north, Sudan to the east, the Central African Republic ...

and

Cameroon Cameroon (; french: Cameroun, ff, Kamerun), officially the Republic of Cameroon (french: République du Cameroun, links=no), is a country in west-central Africa. It is bordered by Nigeria to the west and north; Chad to the northeast; the C ...

. It does not have clearly delineated borders, as it forms the western border of an area of permanent swampland. The lake forms with the seasonal flooding of the Logone River.

References

Fianga Fianga Cameroon–Chad border Fianga {{Cameroon-geo-stub