It flows through Arghistan District and the provinces of Zabul and Kandahar.
The river rises in south-eastern Afghanistan, in the province of Zabul, near the border with Pakistan.
It joins the Dori on the right bank, about 30 miles (48 km) south-west (downstream) of Kandahar.
In its lower course, its waters are widely used to irrigate the oases of Kandahar, and its flow is greatly reduced.
The average annual flow or module of the river is 2 cubic metres per second (71 cu ft/s) near the town of Kandahar.