The Rubi River originates in the southeast of the Bas-Uélé province, then flows west until it meets the Likati near Djamba.

The town of Buta is on the north bank of its central section.

[1] The Rubi crosses the Poko, Bambesa, Buta and Aketi territories.

[3][a] The largest tributaries of the Itimbiri-Rubi are the Likati, Aketi and Tele.

[4] The Domaine de chasse de Rubi-Tele (Rubi-Tele Hunting Domain) was created between the Rubi and Tele rivers in 1930, and modified in 1932.