The upper reaches of the Chinko river define the border between the Haute-Kotto and Haut-Mbomou prefectures.

[3] It is managed by the nonprofit conservation organization African Parks as part of a fifty-year public–private partnership with the Ministry of Water, Forest, Hunting and Fishing.

[4][3] African wild dogs have been documented in the south of the CAR in the Chinko/Mbari drainage basin in 2013.

[7] The Belgian officer Charles Kéthule de Ryove (1865–1903) was assigned to the Upper Uele expedition in August 1891.

He met Sultan Rafai, who declared his allegiance to the Congo Free State.