Kogin Logon ko Logone babban yanki ne na Kogin Chari. Tushen Logone suna cikin yammacin Jamhuriyar Afirka ta Tsakiya, arewacin Kamaru, da kudancin Chadi. Tana da manyan koguna biyu: Pendé River (Eastern Logone) a lardin Ouham-Pendé a Jamhuriyar Afirka ta Tsakiya da kuma Kogin Mbéré (Western Logone) a gabashin Kamaru. Yawancin fadama da dausayi sun kewaye kogin. Kungiyoyin da ke kan kogin sun haɗa da Kousseri, birni mafi nisa a Kamaru, da babban birnin Chadi, N'Djaména, wanda yake a wurin da Logone ya ɓuya a Kogin Chari. Logone ya zama wani yanki ne na iyakar kasashen duniya tsakanin Chadi da Kamaru. An lura da kwararar kogin sama da shekaru 38 (1951–84) a cikin Bongor wani gari a cikin Chadi ƙasan gandujan tare da Pendé kimanin kilomita 450 (280 mi) sama da bakin zuwa cikin Chari. Bongor ya lura da yadda ake kwararar shekara-shekara a wannan lokacin shine 492 m3 / s (17,400 cu ft / s) ana ciyar dashi ta kusan yanki 73.7 km2 (28.5 sq mi) kimanin kashi 94.5% na jimlar yankin kogin.