Lake Copais, Dry lake in Boeotia, Greece.
Lake Copais is a dried lake occupying a wide, flat basin in central Boeotia, Greece. The former lakebed now consists of agricultural fields and grassland, with the landscape showing the broad outline of where water once covered the terrain.
The first drainage efforts began in antiquity when Mycenaean engineers built canals and dams around the water. The work was completed centuries later in 1931, when a British engineering company finished the modern drainage project that transformed the lake into usable land.
The lake's name comes from Kopäus, a mortal son of the god Ares, according to local mythology. Today, visitors walk across what was once a vast body of water, now transformed into farmland that shapes the everyday landscape of the region.
The dried lake basin can be explored on foot across open farmland and paths. Visitors should wear appropriate footwear for walking through fields and be prepared for the flat, open terrain with minimal shade.
Ancient writers like Pausanias noted the lake teemed with fish, especially eels that were highly valued. This abundance vanished with the drainage, leaving only written records of a resource that once supported the local population.
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