The Sefid-Rud ( fa, سفیدرود, lit=white river, glk, اسپي بيه, ''Espī bīeh'') (also known as
Sepid-Rud) is a
river
A river is a natural flowing watercourse, usually freshwater
Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the ...
approximately long, rising in the
Alborz mountain range of northwestern
Iran
Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkm ...
and flowing generally northeast to enter the
Caspian Sea
The Caspian Sea is the world's largest inland body of water, often described as the List of lakes by area, world's largest lake or a full-fledged sea. An endorheic basin, it lies between Europe and Asia; east of the Caucasus, west of the broad s ...
at
Rasht
Rasht ( fa, رشت, Rašt ; glk, Rəšt, script=Latn; also romanized as Resht and Rast, and often spelt ''Recht'' in French and older German manuscripts) is the capital city of Gilan Province, Iran. Also known as the "City of Rain" (, ''Ŝahre B ...
. The river is Iran's second longest river after the
Karun
The Karun ( fa, کارون, ) is the Iranian river with the highest water flow, and its only navigable river. It is long. It rises in the Zard Kuh mountains of the Bakhtiari district in the Zagros Range, receiving many tributaries, such as th ...
.
Names
Other names and transcriptions include Sepīd-Rūd, Sefidrud, Sefidrood, Sepidrood, and Sepidrud. Above
Manjil, "Long Red River".
[Fortescue, L. S. (April 1924) "The Western Elburz and Persian Azerbaijan" ''The Geographical Journal'' 63(4): pp. 301-315, p.310][Rawlinson, H. C. (1840) "Notes on a Journey from Tabríz, Through Persian Kurdistán, to the Ruins of Takhti-Soleïmán, and from Thence by Zenján and Ṭárom, to Gílán, in October and November, 1838; With a Memoir on the Site of the Atropatenian Ecbatana" ''Journal of the Royal Geographical Society of London'' 10: pp. 1-64, p. 64]
The river is identified with the
Amardus ( grc, Ἀμάρδος) or Mardus (Μάρδος) river of antiquity.
The river is historically famous for the quantity of its
fish
Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% ...
, especially the Caspian trout, ''
Salmo trutta
The brown trout (''Salmo trutta'') is a European species of salmonid fish that has been widely introduced into suitable environments globally. It includes purely freshwater populations, referred to as the riverine ecotype, ''Salmo trutta'' Morph ...
caspius''.
Geography
The Sefid-Rud has cut a water gap through the
Alborz mountain range, the
Manjil gap,
[Fortescue, L. S. (April 1924) "The Western Elburz and Persian Azerbaijan" ''The Geographical Journal'' 63(4): pp. 301-315, p.303] capturing its two headwater tributaries, the
Qizil Üzan and
Shahrood
Shahrood ( fa, شاهرود, also Romanized as Shâhrūd, and Shahroud; also known as Shârūd) is a city and capital of Shahrood County, Semnan Province, Iran.
Situated about an altitude of 1345 m, it is located at latitude 36°25'N, longi ...
rivers. It then widens the valley between the
Talesh Hills and the main
Alborz
The Alborz ( fa, البرز) range, also spelled as Alburz, Elburz or Elborz, is a mountain range in northern Iran that stretches from the border of Azerbaijan along the western and entire southern coast of the Caspian Sea and finally runs ...
range. The gap provides a major route between
Tehran
Tehran (; fa, تهران ) is the largest city in Tehran Province and the Capital city, capital of Iran. With a population of around 9 million in the city and around 16 million in the larger metropolitan area of Greater Tehran, Tehran is th ...
and
Gīlān Province with its Caspian lowlands.
In the wide valley before the Sefid-Rud enters the
Caspian Sea
The Caspian Sea is the world's largest inland body of water, often described as the List of lakes by area, world's largest lake or a full-fledged sea. An endorheic basin, it lies between Europe and Asia; east of the Caucasus, west of the broad s ...
a number of transportation and irrigation canals have been cut; the two biggest are the Khomam and the Now.
Dam and reservoir
The Sefid-Rud was dammed in 1962 by the
Shahbanu Farah Dam (later renamed
Manjil Dam),
[Beaumont, Peter (1974) "Water Resource Development in Iran" ''The Geographical Journal'' 140(3): pp. 418-431, p.428] which created a
reservoir
A reservoir (; from French ''réservoir'' ) is an enlarged lake behind a dam. Such a dam may be either artificial, built to store fresh water or it may be a natural formation.
Reservoirs can be created in a number of ways, including control ...
and allowed the irrigation of an additional .
The reservoir mediates some flooding and significantly increased rice production in the Sefid Rud Delta. The hydroelectric component of the dam generates 87,000 kilowatts.
The completion of the dam had a negative impact on the river's fisheries, through reduced stream flow (due to diversion), increased water temperature, and decreased food availability, especially for
sturgeon but also for the Caspian trout.
History

The river was known in antiquity by the names Mardos ( el, Μαρδος; la, Mardus) and Amardos ( el, Αμαρδος; la, Amardus).
In the
Hellenistic
In Classical antiquity, the Hellenistic period covers the time in Mediterranean history after Classical Greece, between the death of Alexander the Great in 323 BC and the emergence of the Roman Empire, as signified by the Battle of Actium i ...
period the north side of the Sefid (then Mardus) was occupied by the
mountain tribe the
Cadusii
The Cadusii (also called Cadusians; grc, Καδούσιοι, ''Kadoúsioi''; Latin: ''Cadusii'') were an ancient Iranian tribe that lived in the mountains between Media and the shore of the Caspian Sea. The area that the Cadusii lived in bordered ...
.
Strabo, xi. 13
/ref>
David Rohl
The New Chronology is an alternative chronology of the ancient Near East developed by English Egyptologist David Rohl and other researchers beginning with ''A Test of Time: The Bible - from Myth to History'' in 1995. It contradicts mainstream ...
identifies the Sefid-Rud with the Biblical Pishon
The Pishon ( ''Pîšōn'') is one of four rivers (along with Hiddekel (Tigris), Perath ( Euphrates) and Gihon) mentioned in the Biblical Book of Genesis. In that passage, a source river flows out of Eden to water the Garden of Eden and from th ...
river.
Gallery
File:Sefidrood.jpg
File:Sefidrood2.jpg
Notes
External links
"Sefid Rood Watershed"
''Economic potentials of Kurdistan Province in the fields of Water, Agriculture and Natural Resources'' Ministry of Interior, Islamic Republic of Iran
{{Rivers of Iran
Rivers of Gilan Province
Alborz (mountain range)
Tributaries of the Caspian Sea
Landforms of Kurdistan Province
Landforms of East Azerbaijan Province
Landforms of Ardabil Province
Landforms of Zanjan Province
Landforms of Qazvin Province
Landforms of Tehran Province
Landforms of Gilan Province