[1] In Mali, it joins the Sénégal River 5 km upstream from the town of Kayes.
The river flows through a number of shallow depressions that fill with water during the short rainy season (July to September).
The largest of these is Lake Magui that extends for nearly 30 km in a north–south direction.
The river also fills Lake Doro which lies 34 km east-northeast of Kayes, just north of the RN1 highway at 14°30′45″N 11°7′20″W / 14.51250°N 11.12222°W / 14.51250; -11.12222.
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