Callichorus or Kallichoros ( grc, Καλλίχορος), also called Oxines or Oxinas ( grc, Ὀξίνης), was a river of

ancient Bithynia Bithynia (; Koine Greek: , ''Bithynía'') was an ancient region, kingdom and Roman province in the northwest of Asia Minor (present-day Turkey), adjoining the Sea of Marmara, the Bosporus, and the Black Sea. It bordered Mysia to the southwest, Pa ...

. It is mentioned by

Pliny the Elder Gaius Plinius Secundus (AD 23/2479), called Pliny the Elder (), was a Roman author, naturalist and natural philosopher, and naval and army commander of the early Roman Empire, and a friend of the emperor Vespasian. He wrote the encyclopedic '' ...

and also by the author of the ''

Periplus of Pseudo-Scylax The ''Periplus of Pseudo-Scylax'' is an ancient Greek periplus (περίπλους ''períplous'', 'circumnavigation') describing the sea route around the Mediterranean and Black Sea. It probably dates from the mid-4th century BC, specifically t ...

'' under the name Callichorus. Under the name Oxinas, it is mentioned by

Arrian Arrian of Nicomedia (; Greek: ''Arrianos''; la, Lucius Flavius Arrianus; ) was a Greek historian, public servant, military commander and philosopher of the Roman period. ''The Anabasis of Alexander'' by Arrian is considered the best ...

as draining into the

Pontus Euxinus The Black Sea is a marginal mediterranean sea of the Atlantic Ocean lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bounded by Bulgaria, Georgia, Roma ...

between

Heraclea Pontica __NOTOC__ Heraclea Pontica (; gr, Ἡράκλεια Ποντική, Hērakleia Pontikē), known in Byzantine and later times as Pontoheraclea ( gr, Ποντοηράκλεια, Pontohērakleia), was an ancient city on the coast of Bithynia in Asi ...

and

Phyllium ''Phyllium''Illiger (1798) ''Verzeichnis der Käfer Preussens'' 499. is the largest and most widespread genus of leaf insects in the family Phylliidae ( Phasmatodea). They can be found in Sundaland, Philippine Islands, Wallacea, and Australasi ...

, ''

Periplus Ponti Euxini The ''Periplus of the Euxine Sea'' ( grc, Περίπλους τοῦ Εὐξείνου Πόντου, ', modern Greek transliteration ', la, Periplus Ponti Euxini) is a periplus or guidebook detailing the destinations visitors encounter when tr ...

'' Called Oxines by

Marcianus Marcian (; la, Marcianus, link=no; grc-gre, Μαρκιανός, link=no ; 392 – 27 January 457) was Roman emperor of the Byzantine Empire, East from 450 to 457. Very little of his life before becoming emperor is known, other than that he wa ...

, who places its mouth 90

stadia Stadia may refer to: * One of the plurals of stadium, along with "stadiums" * The plural of stadion, an ancient Greek unit of distance, which equals to 600 Greek feet (''podes''). * Stadia (Caria), a town of ancient Caria, now in Turkey * Stadi ...

northeast of

Cape Posidium A cape is a clothing accessory or a sleeveless outer garment which drapes the wearer's back, arms, and chest, and connects at the neck. History Capes were common in medieval Europe, especially when combined with a hood in the chaperon. Th ...

. It is tentatively identified with the modern Ilık Su.

References

Geography of Bithynia Rivers of Turkey Ancient Greek geography {{Turkey-river-stub