The Peiros (, formerly also ''Kamenitza'' and ''Achelous'') is a

river A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...

in the central and the northwestern parts of

Achaea Achaea () or Achaia (), sometimes transliterated from Greek language, Greek as Akhaia (, ''Akhaḯa'', ), is one of the regional units of Greece. It is part of the modern regions of Greece, region of Western Greece and is situated in the northwest ...

Greece Greece, officially the Hellenic Republic, is a country in Southeast Europe. Located on the southern tip of the Balkan peninsula, it shares land borders with Albania to the northwest, North Macedonia and Bulgaria to the north, and Turkey to th ...

. It is long.

Geography

The Peiros is the second longest river in Achaea, after Selinountas. It rises in the northeastern part of the Erymanthos mountains, near the village Lakkomata. It passes through the municipal units of

Farres Farres () is a former municipality in Achaea, West Greece, Greece. Since the 2011 local government reform, it is part of the municipality Erymanthos, of which it is a municipal unit. The municipal unit has an area of 241.848 km2. The munic ...

Olenia Olenia () is a former municipality in Achaea, West Greece, Greece. Since the 2011 local government reform it is part of the municipality West Achaea, of which it is a municipal unit. The municipal unit has an area of 189.534 km2. Population ...

and Dymi. It empties into the

Gulf of Patras The Gulf of Patras (, ''Patraikós Kólpos'') is a branch of the Ionian Sea in Western Greece. On the east, it is closed by the Strait of Rion between capes Rio and Antirrio, near the Rio-Antirrio bridge, that is the entrance of the Gulf of C ...

between the towns

Alissos Alissos () is a village and a community in the municipal unit of Dymi, Achaea, Dymi, Achaea, Greece. It is located near the Gulf of Patras, 3 km east of Kato Achaia, 3 km southwest of Kaminia, Achaea, Kaminia and 17 km southwest of ...

and

Kato Achaia Kato Achaia () is a town and a community in Achaea, West Greece, Greece. Since the 2011 local government reform it is part of the municipality West Achaea, of which it is the seat of administration. The community Kato Achaia consists of the town ...

. There are several bridges over the Peiros, including the bridges of the

Greek National Road 9 Greek National Road 9 (, abbreviated as EO9) is a single carriageway with at-grade intersections in the West Greece and Peloponnese regions. It runs along the west coast of the Peloponnese peninsula, from Patras to Methoni via Pyrgos. Its leng ...

/ E55 (Patras - Pyrgos -

Kyparissia Kyparissia () is a town and a former municipality in northwestern Messenia, Peloponnese, Greece. Since the 2011 local government reform it is part of the municipality Trifylia, of which it is the seat and a municipal unit. The municipal unit has ...

) and OSE's Patras–Kyparissia railway line. Two ancient cities were situated near the river: Olenos and

Pharae Pharae (), otherwise known as Phara (Φᾶρα), and Pherae, was a town and polis (city-state), situated by the Peiros River, approximately from the sea and from the town of Patras, in what is now southern Greece. It was one of the twelve Achaea ...

. Its most important tributaries are the

Parapeiros The Parapeiros (, also Τυθεύς - ''Tythefs'', - ''Teutheas'') is a river in the western part of Achaea, Greece. It is long. The Parapeiros begins in the western part of the Erymanthos mountains close to Alepochori. It passes through the m ...

(also known as ''Tytheus'') and the

Serdini The Serdini () is a small river of western Achaea, Greece. It is long. It is a left tributary of the Peiros near Kato Alissos. Geography The Serdini flows through the municipal units of Olenia and Dymi, Achaea, Dymi, both part of the municipalit ...

References

External links

Landforms of Achaea Rivers of Greece Rivers of Western Greece {{Greece-river-stub