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Helmand River
The Helmand river, also historically known as the Etymandros, is the longest river in Afghanistan and the primary watershed for the endorheicSistan 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.
Unai PassThe Unai Pass or Onai Pass (Persian: گذرگاه اونی) is a mountain pass on the western side of the Paghman Mountains in Jalrez District, Maidan Wardak Province, Afghanistan. It is of strategical importance due to its geographical location to the southwest of Kabul. The Sarchashma River flows through the pass, which is the upstream part of the Kabul River.*As an Amazon Associate I earn from qualifying purchases.