The Qizilsu or Kyzylsu (russian: Кызылсу, ) is a river that rises on the southern slopes of the

Vakhsh Range Vakhsh Range (russian: Вахшский хребет; uz, Vaxsh tizmasi) is a mountain range in Tajikistan, forming the north-west border of Khatlon Province with the Region of Republican Subordination. It stretches for a length of about 80 km alon ...

in the north-east of

Tajikistan Tajikistan (, ; tg, Тоҷикистон, Tojikiston; russian: Таджикистан, Tadzhikistan), officially the Republic of Tajikistan ( tg, Ҷумҳурии Тоҷикистон, Jumhurii Tojikiston), is a landlocked country in Centr ...

Khatlon Region Khatlon Region ( tg, Вилояти Хатлон, ''Viloyati Xatlon''), one of the four provinces of Tajikistan ( tg, вилоят, ''Viloyat''), is the most populous of the four first level administrative regions. It is situated in the southwest ...

and runs south-west until joining the

Panj Panj () is a city in southern Tajikistan which is situated on the Afghan border, some south of the capital Dushanbe. It is located along the north bank of the river Panj, from which it derives its name. The population of the town is 12,500 (Janu ...

on the border with

Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan,; prs, امارت اسلامی افغانستان is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is bordere ...

. The river is long and has a basin area of .Кызылсу (река в Таджикской ССР)

Great Soviet Encyclopedia The ''Great Soviet Encyclopedia'' (GSE; ) is one of the largest Russian-language encyclopedias, published in the Soviet Union from 1926 to 1990. After 2002, the encyclopedia's data was partially included into the later ''Bolshaya rossiyskaya e ...

It merges with the Yakhsu (Akhshu) as a major left tributary south of the town of

Kulyab , image_skyline = Kulob 2700 th Anniversary monument - panoramio.jpg , imagesize = , image_caption = The 2700th Anniversary monument, Kulob , image_flag = , image_seal = , ...

. It irrigates the cotton-growing Qizilsu Valley between Kulob and Panj in the south-east of

Khatlon Province Khatlon Region ( tg, Вилояти Хатлон, ''Viloyati Xatlon''), one of the four provinces of Tajikistan ( tg, вилоят, ''Viloyat''), is the most populous of the four first level administrative regions. It is situated in the southwest ...

. It is not the

Kyzyl-Suu River The Vakhsh (Russian and Tajik: Вахш - ''Vaxsh'', fa, وخش), also known as the Surkhob (Сурхоб, سرخاب), in north-central Tajikistan, and the Kyzyl-Suu ( ky, Кызыл-Суу), in Kyrgyzstan, is a Central Asian river, and one of ...

that rises in

Kyrgyzstan Kyrgyzstan,, pronounced or the Kyrgyz Republic, is a landlocked country in Central Asia. Kyrgyzstan is bordered by Kazakhstan to the north, Uzbekistan to the west, Tajikistan to the south, and the People's Republic of China to the east. ...

and flows through Tajikistan as

Surkhob The Vakhsh (Russian and Tajik: Вахш - ''Vaxsh'', fa, وخش), also known as the Surkhob (Сурхоб, سرخاب), in north-central Tajikistan, and the Kyzyl-Suu ( ky, Кызыл-Суу), in Kyrgyzstan, is a Central Asian river, and one of ...

, then Vakhsh, following a course north-west of Qizilsu.

References

* Rivers of Tajikistan Khatlon Region {{Tajikistan-river-stub