The Celadon is a mythological river of Arcadia

Arcadia

Arcadia is one of the regional units of Greece. It is part of the administrative region of Peloponnese. It is situated in the central and eastern part of the Peloponnese peninsula. It takes its name from the mythological character Arcas. In Greek mythology, it was the home of the god Pan...

 crossed by Herakles in pursuit of the Hind of Ceryneia

Ceryneian Hind

In Greek mythology, the Ceryneian Hind , also called Cerynitis, was an enormous hind , who lived in Keryneia, Greece. It was sacred to Artemis, the chaste goddess of the hunt, animals and unmarried women. It had golden antlers like a stag and hooves of bronze or brass, and it was said that it could...

, according to Pindar

Pindar

Pindar , was an Ancient Greek lyric poet. Of the canonical nine lyric poets of ancient Greece, his work is the best preserved. Quintilian described him as "by far the greatest of the nine lyric poets, in virtue of his inspired magnificence, the beauty of his thoughts and figures, the rich...

: it is mentioned by 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...

. Pausanius names it the Celadus and states that it is a tributary of the Alpheus.

In Homer

Homer

In the Western classical tradition Homer , is the author of the Iliad and the Odyssey, and is revered as the greatest ancient Greek epic poet. These epics lie at the beginning of the Western canon of literature, and have had an enormous influence on the history of literature.When he lived is...

's Iliad

Iliad

The Iliad is an epic poem in dactylic hexameters, traditionally attributed to Homer. Set during the Trojan War, the ten-year siege of the city of Troy by a coalition of Greek states, it tells of the battles and events during the weeks of a quarrel between King Agamemnon and the warrior Achilles...

it is described as being under the walls of Pheia

Pheia (Elis)

Pheia was a small town and a harbour in Elis in the ancient country of Pisatis. It was built by a natural gulf on an island which it does not exist today next to the drylands and was destroyed in the 4th century, from that location founded near today's Katakolo, next to the Iardani river and was...

, not far from the river Iardanus

Iardanus

The River Iardanus or Iardanes denoted two small rivers in Antiquity, and previously a third, it would seem.A Iardanus in Elis is referred to in passing in Iliad , where Nestor remembers Pylians and Arcadians gathered in fight by the rapid river Celadon under the walls of Pheia, and round about...

, on the borders of Pylos

Pylos

Pylos , historically known under its Italian name Navarino, is a town and a former municipality in Messenia, Peloponnese, Greece. Since the 2011 local government reform it is part of the municipality Pylos-Nestoras, of which it is the seat and a municipal unit. It was the capital of the former...

: Ereuthalion was killed by Nestor

Nestor

- Arts, literature, and entertainment :* Nestor , the son of Neleus, the King of Pylos and Chloris in Greek mythology* "Nestor", a chapter in the novel Ulysses by James Joyce* Nestor Studios, first-ever motion picture studio in Hollywood, Los Angeles...

here.