The Olvios () is a river that flows in western

Corinthia Corinthia (; ) is one of the regional units of Greece. It is part of the modern regions of Greece, region of Peloponnese (region), Peloponnese. It is situated around the city of Corinth, in the north-eastern part of the Peloponnese peninsula. Ge ...

in the northern

Peloponnese The Peloponnese ( ), Peloponnesus ( ; , ) or Morea (; ) is a peninsula and geographic region in Southern Greece, and the southernmost region of the Balkans. It is connected to the central part of the country by the Isthmus of Corinth land bridg ...

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 ...

. The river empties into the Feneos plain, once an area of swamps, now containing farmlands. It is approximately 30 km long. The river begins on the Mavro Oros mountain, south of Evrostina. It flows to the southwest, between the Chelmos (Aroania) and Kyllini mountains. The river empties into the Feneos Fields northwest of the Oligyrtos mountains. One of its tributaries is the Doxa stream, that comes from the Chelmos mountains and flows through the artificial lake Doxa. The Olvios flows along the villages of Karya, Kato Tarsos, Steno, Feneos, Goura and Mesino.

See also