Sefīd-Rūd

The catchment area of ​​the Sefid ruds

The Sefid Rud (Persian سفیدرود ) or Rud -e Safid ( White River ) is a 670 km long river in north-western Iran. The Sefid Rud rises at Kuh-e Chehel Tscheschmeh ( کوه چهل چشمه; Forty - Springs Mountain ) in the Zagros Mountains in the province Kordestān and flows Kiadeh Hassan ( حسن کیاده ) northeast of the city of Rasht in Gilan province the Caspian Sea. He is after the Karun the second largest river of Iran.

The Sefid Rud has dug on his way to the Caspian Sea a passage through the Alborz mountain range - the Mandschil - gate. This gate is an important route between Tehran and Gilan on the Caspian coast.

Above the gate and the junction of the Shahrud ( شاهرود ) bears the name of the river Qezel Uzan ( قزل اوزن; Azerbaijani Qızılüzən ). In ancient times it was called Mardus or Amardus. The river is known for its abundance of fish - particularly for the Caspian brown trout ( Salmo trutta caspius ) - for its gold guide.

Between 1956 and 1962, the rivers and Shahrud Qezel Uzan the Schahbanu - Farah Dam ( سد شهبانو فرح ) was built at the confluence. He is now called Sefid -Rud dam or Mandschil Dam ( سد منجیل; سد سفیدرود ). With the water of the reservoir is operated in an area of ​​2380 km ² in the plain of Gilan irrigation, among other things, for rice cultivation. The hydroelectric power plant located at the dam produces an output of 87 MW.