Tytheus or Tithefs is a river in the northwestcentral parts of the Achaea

Achaea

Achaea is one of the regional units of Greece. It is part of the region of West Greece. It is situated in the northwestern part of the Peloponnese peninsula. The capital is Patras. The population exceeds 300,000 since 2001.-Geography:...

 prefecture. The river can also be known as Parapeiros (Παραπείρος), and was known as Toskesi (Τόσκεσι).

Geography

The Tytheus river begins in the east of the Erymanthos mountains, it passes through the municipalities of Tritaia

Tritaia

Tritaia 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. Population 5,462 . The seat of the municipality is in Stavrodromi...

 and into Fares. It empties into the Peiros

Peiros

The Peiros is a river in the central and the northwestern parts of the Achaea prefecture. The river can also be known locally with numerous names including Kamenitsa , Mellas or Melas , Pieros , Nezeritiko , Prevedos and Acheloos .-Places within the...

 where in the tributary is constructing a new dam which will be located between Chafkali and Toskos and will be known as the Peiros-Parapeiros Dam or Peiros Perapeiros-Dam in which will bring electricity to Patras

Patras

Patras , ) is Greece's third largest urban area and the regional capital of West Greece, located in northern Peloponnese, 215 kilometers west of Athens...

 and the nearby Patras Industrial Area.