The Göksu River (), known in antiquity as the Calycadnus and in the Middle Ages as the Saleph, is a river on the Taşeli Plateau in southern

Turkey Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West Asia, with a relatively small part called East Thrace in Southeast Europe. It borders the Black Sea to the north; Georgia (country), Georgia, Armen ...

. Its two sources arise in the

Taurus Mountains The Taurus Mountains (Turkish language, Turkish: ''Toros Dağları'' or ''Toroslar,'' Greek language, Greek'':'' Ταύρος) are a mountain range, mountain complex in southern Turkey, separating the Mediterranean Sea, Mediterranean coastal reg ...

—the northern in the Geyik Mountains and the southern in the Haydar Mountains—and meet south of Mut. The combined stream then flows south to the Göksu Delta in the

Mediterranean Sea The Mediterranean Sea ( ) is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean basin and almost completely enclosed by land: on the east by the Levant in West Asia, on the north by Anatolia in West Asia and Southern Eur ...

near

Silifke Silifke is a municipality and Districts of Turkey, district of Mersin Province, Mersin Province, Turkey. Its area is 2,692 km2, and its population is 132,665 (2022). It is west of the city of Mersin, on the west end of the Çukurova plain. ...

Names

is Turkish for "Sky Water". It is also known as the Geuk Su. It was known to the

ancient Greeks Ancient Greece () was a northeastern Mediterranean civilization, existing from the Greek Dark Ages of the 12th–9th centuries BC to the end of classical antiquity (), that comprised a loose collection of culturally and linguistically re ...

as the ''Kalýkadnos'' (), latinized as the . It was known in the Middle Ages as the .

Course

The river is 260 km long and empties into the

16 km southeast of

(in

Mersin Mersin () is a large city and port on the Mediterranean Sea, Mediterranean coast of Mediterranean Region, Turkey, southern Turkey. It is the provincial capital of the Mersin Province (formerly İçel). It is made up of four district governorates ...

province). The Göksu Delta, including Akgöl Lake and Paradeniz Lagoon, is one of the most important breeding areas in the

Near East The Near East () is a transcontinental region around the Eastern Mediterranean encompassing the historical Fertile Crescent, the Levant, Anatolia, Egypt, Mesopotamia, and coastal areas of the Arabian Peninsula. The term was invented in the 20th ...

; over 300 bird species have been observed. Among others, flamingos,

heron Herons are long-legged, long-necked, freshwater and coastal birds in the family Ardeidae, with 75 recognised species, some of which are referred to as egrets or bitterns rather than herons. Members of the genus ''Botaurus'' are referred to as bi ...

bee-eater The bee-eaters are a group of birds in the family (biology), family Meropidae, containing three genera and thirty-one species. Most species are found in Africa and Asia, with a few in southern Europe, Australia, and New Guinea. They are characte ...

s, kingfishers,

gull Gulls, or colloquially seagulls, are seabirds of the subfamily Larinae. They are most closely related to terns and skimmers, distantly related to auks, and even more distantly related to waders. Until the 21st century, most gulls were placed ...

s, nightingales and warblers breed here. The endangered

loggerhead sea turtle The loggerhead sea turtle (''Caretta caretta'') is a species of sea turtle, oceanic turtle distributed throughout the world. It is a marine reptile, belonging to the Family (biology), family Cheloniidae. The average loggerhead measures around ...

(''Caretta caretta'') lays eggs here. Due to demand for summer vacation apartments by the locals, and since necessary precautions are not taken and public attention is minimal in this part of Turkey, the ecosystem around Akgöl Lake and Paradeniz Lagoon is in heavy danger.

History

Iron Age

The

Ionian Greek Ionic or Ionian Greek () was a subdialect of the Eastern or Attic Greek, Attic–Ionic Ancient Greek dialects, dialect group of Ancient Greek. The Ionic group traditionally comprises three dialectal varieties that were spoken in Euboea (West Ioni ...

colony A colony is a territory subject to a form of foreign rule, which rules the territory and its indigenous peoples separated from the foreign rulers, the colonizer, and their ''metropole'' (or "mother country"). This separated rule was often orga ...

of Holmi was founded near the mouth of the Calycadnus but suffered from

piracy Piracy is an act of robbery or criminal violence by ship or boat-borne attackers upon another ship or a coastal area, typically with the goal of stealing cargo and valuable goods, or taking hostages. Those who conduct acts of piracy are call ...

and raiders.

Classical Age

Seleucia Seleucia (; ), also known as or or Seleucia ad Tigrim, was a major Mesopotamian city, located on the west bank of the Tigris River within the present-day Baghdad Governorate in Iraq. It was founded around 305 BC by Seleucus I Nicator as th ...

, the modern

, was founded at a more defensible position a little further up the river by

Seleucus I Nicator Seleucus I Nicator (; Ancient Greek, Greek: Σέλευκος Νικάτωρ, ''Séleukos Nikátōr'', "Seleucus the Victorious"; ) was a Ancient Macedonians, Macedonian Greek general, officer and successor of Alexander the Great who went on to fo ...

and was an important regional center for centuries, particularly noted as a center of

early Christianity Early Christianity, otherwise called the Early Church or Paleo-Christianity, describes the History of Christianity, historical era of the Christianity, Christian religion up to the First Council of Nicaea in 325. Spread of Christianity, Christian ...

. The Romans bridged the river at Seleucia in 77 AD.

Middle Ages

Third Crusade

In 1190, while on the

Third Crusade The Third Crusade (1189–1192) was an attempt led by King Philip II of France, King Richard I of England and Emperor Frederick Barbarossa to reconquer the Holy Land following the capture of Jerusalem by the Ayyubid sultan Saladin in 1187. F ...

, Emperor

Frederick Barbarossa Frederick Barbarossa (December 1122 – 10 June 1190), also known as Frederick I (; ), was the Holy Roman Emperor from 1155 until his death in 1190. He was elected King of Germany in Frankfurt on 4 March 1152 and crowned in Aachen on 9 March 115 ...

drowned in the river, then known as the Saleph and located within the

Armenian Kingdom of Cilicia The Armenian Kingdom of Cilicia, also known as Cilician Armenia, Lesser Armenia, Little Armenia or New Armenia, and formerly known as the Armenian Principality of Cilicia, was an Armenian state formed during the High Middle Ages by Armenian ...

. The crusaders had reached

Asia Minor Anatolia (), also known as Asia Minor, is a peninsula in West Asia that makes up the majority of the land area of Turkey. It is the westernmost protrusion of Asia and is geographically bounded by the Mediterranean Sea to the south, the Aegean ...

in March, where the emperor continued his campaign to the

Holy Land The term "Holy Land" is used to collectively denote areas of the Southern Levant that hold great significance in the Abrahamic religions, primarily because of their association with people and events featured in the Bible. It is traditionall ...

. Having plundered the city of

Konya Konya is a major city in central Turkey, on the southwestern edge of the Central Anatolian Plateau, and is the capital of Konya Province. During antiquity and into Seljuk times it was known as Iconium. In 19th-century accounts of the city in En ...

and defeated the forces of the Sultanate of Rum at the Battle of Iconium, his forces arrived on the banks of the river on June 10. Several contradictory statements reflect the circumstances of his sudden death, which have not been conclusively established. According to some sources, the emperor was lost in the current when he tried to cross the water near Silifke; other chronicles report he wished to cool down from the heat of the day and suffered a heart attack while taking a bath. The mortal remains were preserved according to the '' Mos Teutonicus'' process and transferred to Tarsus,

Antioch Antioch on the Orontes (; , ) "Antioch on Daphne"; or "Antioch the Great"; ; ; ; ; ; ; . was a Hellenistic Greek city founded by Seleucus I Nicator in 300 BC. One of the most important Greek cities of the Hellenistic period, it served as ...

and Tyre by his followers. Once without a leader, his crusader army dispersed; the remnants later joined the Siege of Acre. A monument in Barbarossa's honor was erected on the road from Silifke to Mut.

References

{{DEFAULTSORT:Goksu Rivers of Turkey Ramsar sites in Turkey Rivers of Mersin Province