Helmand River

The Helmand River (also spelled "Helmend, Helmund, Hirmand"; Pashto/Persian: ', Greek: ' ("Etýmandros"), Latin: "") is the longest river in Afghanistan. The name means "dammed, having a dam". Helmand Province is named after the river.
The Helmand river stretches for . It rises in the Hindu Kush mountains, about west of Kabul (), passing north of the Unai Pass. It crosses south-west through the desert of Dashti Margo, to the Seistan marshes and the Hamun-i-Helmand lake region around Zabol at the Afghan-Iranian border ().