Stimfalia Lake lies in the northeastern part of the Peloponnese (region Corinthia) on a plateau between the mountains and Killiney Oligirtos at an altitude of 600 meters above sea level. The lake is about 42 km from the city of Corinth and is the largest lake in the Peloponnese.

The lake and its surroundings are mentioned in Greek mythology. According to legend, it was here that the legendary Hercules made his third exploit and destroy stymphalian birds. The name of the lake is named after the character in Greek mythology Stimfala son elata.

Since ancient times, the lake and its feeder karst springs play an important role in water supply and irrigation in the region surrounding the valley, ideal for farmland. During the reign of the Roman Emperor Hadrian was built aqueduct that supplied water from the lake to Corinth.

Today Stimfalia - wetland lake and a large part of its surface is covered with reeds. In summer months, the lake is almost completely dry. During the winter period, when the lake water as much as possible recruited, with an area up to 3, 5 sq km and a maximum depth of 10 m. The lake and its surroundings are famous for its rich flora and fauna. Of particular interest is Stimfalia for ornithology lovers, because here inhabited by many different species of birds, including rare.

Certainly worth a visit and nearby Ecological Museum Stimfalia which will introduce you to the history and the inhabitants of the lake and its surroundings. It was founded in 2009 and its main purpose - to show the importance of harmonious coexistence and interaction of man and nature.

Today, the lake is threatened with extinction and protected by the NATURA 2000 European organization.