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File:Limnothalassa Κotichi 20140817.jpg
Kotychi on a clear day
Kotychi (Template:Langx) is a lagoon in the northwestern part of Elis, Greece. It straddles the boundaries of the municipal units Lechaina and Vouprasia. It is located 23 km north of Amaliada and 45 km southwest of Patras. The lagoon is connected with the Ionian Sea. It is a protected wetland area, as recognized by the Ramsar Convention,<ref>Ramsar list of wetlands</ref> The Kotychi lagoon is an important areas for waterbirds in Greece.<ref>Hellenic Ornithological Society</ref> Its surface area is 3.7 km².