The Afrin River ( Nahr ʻIfrīn; (; North Syrian vernacular: Nahər ʻAfrīn; ) is a tributary of the Orontes River in Turkey and Syria. It rises in the Kartal Mountains in Gaziantep Province, Turkey, flows south through the city of Afrin in Syria, then reenters Turkey. It joins the Karasu at the site of the former Lake Amik, and its waters flow to the Orontes by a canal. The total length of the river is , of which is in Syria.