It rises on the Sikasso Plateau and in the Sindou Hills flowing south over several cataracts with several falls including the "Chutes de la Komoé" and Karifiguela Falls.[3] Upstream of the Karifiguela Falls it is known locally as the Koba River.[3] At 09°42′11″N 004°35′10″W﻿ / ﻿9.70306°N 4.58611°W﻿ / 9.70306; -4.58611 it is joined from the right (west) by the Léraba River, whereafter it flows southeast and forms the border between Burkina Faso and Ivory Coast for some 60 kilometres (37 mi), before it enters Ivory Coast four kilometres southwest of the village of Balanfodougou.