The Bongo Massif also known as the Tondou Massif, is a mountain range

Mountain range

A mountain range is a single, large mass consisting of a succession of mountains or narrowly spaced mountain ridges, with or without peaks, closely related in position, direction, formation, and age; a component part of a mountain system or of a mountain chain...

 in north-eastern Central African Republic

Central African Republic

The Central African Republic , is a landlocked country in Central Africa. It borders Chad in the north, Sudan in the north east, South Sudan in the east, the Democratic Republic of the Congo and the Republic of the Congo in the south, and Cameroon in the west. The CAR covers a land area of about ,...

, near the Sudan

Sudan

Sudan , officially the Republic of the Sudan , is a country in North Africa, sometimes considered part of the Middle East politically. It is bordered by Egypt to the north, the Red Sea to the northeast, Eritrea and Ethiopia to the east, South Sudan to the south, the Central African Republic to the...

 border. The source of Bahr al-Arab

Bahr al-Arab

Bahr al-Arab is a river which flows approximately through the southwest of Sudan and marks part of its international border with South Sudan...

is found within the massif. South of the massif is the Plateau of Ouadda (Coordinates: 08°40′0"N 22°25′0"E).

Miscellaneous

During November, December, and January, fires of several kilometres size advance down from the Chadian border.