The Araks is a river in the Caucasus. It rises in eastern Turkey and flows along the borders between Turkey and Armenia, between Turkey and the Nakhchivan exclave of Azerbaijan, between Iran and both Azerbaijan and Armenia, and, finally, through Azerbaijan where it flows into the Kur river. It drains the south side of the Lesser Caucasus Mountains, while the K…The Araks is a river in the Caucasus. It rises in eastern Turkey and flows along the borders between Turkey and Armenia, between Turkey and the Nakhchivan exclave of Azerbaijan, between Iran and both Azerbaijan and Armenia, and, finally, through Azerbaijan where it flows into the Kur river. It drains the south side of the Lesser Caucasus Mountains, while the Kur drains the north side of the Lesser Caucasus. The river's total length is 1,072 km and its watershed covers an area of 102,000 km². The Araks is one of the longest rivers in the Caucasus.