Helmand River

Helmand
Helmand and Boghra Canal beyond it
Map of the Helmand drainage basin
Location
CountriesAfghanistan and Iran
Physical characteristics
Source 
  locationHindu Kush mountains
Mouth 
  location
Hamun Lake
Length1,150 km (710 mi)
Basin sizeSistan Basin
Basin features
Tributaries 
  leftArghandab River
  rightKhash River
Chagay River

The Helmand river (Pashto/Dari: هیرمند / هلمند; Ancient Greek: Ἐτύμανδρος, Etýmandros; Latin: Erymandrus), also spelled Helmend, or Helmund, Hirmand, is the longest river in Afghanistan and the primary watershed for the endorheic Sistan Basin. It originates in the Sanglakh Range of the Hindu Kush mountains in the northeastern part of Maidan Wardak Province, where it is separated from the watershed of the Kabul River by the Unai Pass. The Helmand feeds into the Hamun Lake on the border of Afghanistan and Iran.