There are routes from the Central African Republic, Cameroon, Nigeria and Niger. The border between Cameroon and Chad is the River Logone, which flows into Lake Chad. Access from Nigeria is via a sliver of northern Cameroon. There is a road from N'Djam na via Sarh to the Central African Republic. The road to Niger is in poor condition.
Roads can be inaccessible during the rainy season.
It is not possible to cross the border from Sudan. Care should be taken when travelling in the area around the border with Camerooon as there have been reports of armed bandits. Rudimentary public transport is available to the Central African Republic, Nigeria and Niger, although it may be necessary to change vehicles at the border.