The Lamus also Lamos, river is a river of ancient Cilicia

Cilicia

In antiquity, Cilicia was the south coastal region of Asia Minor, south of the central Anatolian plateau. It existed as a political entity from Hittite times into the Byzantine empire...

, now in Mersin Province

Mersin Province

The Mersin Province is a province in southern Turkey, on the Mediterranean coast between Antalya and Adana. The provincial capital is the city of Mersin and the other major town is Tarsus, birthplace of St Paul...

, Turkey

Turkey

Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

. The river formed the boundary between Cilicia Campestris and Cilicia Trachea, and later between Cilicia Aspera and Cilicia Propria. At its mouth was the city Antiochia Lamotis

Antiochia Lamotis

Antiochia Lamotis or Antiochia in Isauria is a Hellenistic city in Cilicia, Anatolia at the mouth of Lamos river. The site is on the coast a few km southwest of Erdemli, Mersin Province, Turkey. During Roman times, it was capital of the Lamotis Region, Cilicia....

, earlier Lamos, formerly the capital of the surrounding region, the Lamotis

Lamotis

Lamotis was an ancient region on the eastern coast of Cilicia Trachea, later Cilicia Aspera, between the Calycadnus river and the Lamos river. Its capital was Antiochia Lamotis. -External links:*...

. http://www.ancientlibrary.com/gazetteer/0197.html (Alexander Polyhistor cited by Stephanus of Byzantium

Stephanus of Byzantium

Stephen of Byzantium, also known as Stephanus Byzantinus , was the author of an important geographical dictionary entitled Ethnica...

, Ptolemy

Ptolemy

Claudius Ptolemy , was a Roman citizen of Egypt who wrote in Greek. He was a mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology. He lived in Egypt under Roman rule, and is believed to have been born in the town of Ptolemais Hermiou in the...

 Book V, ch. 8, § 6; Strabo

Strabo

Strabo, also written Strabon was a Greek historian, geographer and philosopher.-Life:Strabo was born to an affluent family from Amaseia in Pontus , a city which he said was situated the approximate equivalent of 75 km from the Black Sea...

, Geography, 14.5.6-7)