Connecting two seas
The Corinth Canal cuts through the Isthmus in a perfectly straight line and stands as one of Greece’s most recognisable engineering landscapes. Its total length reaches 6,346 m, while its depth ranges between 7.5 and 8 metres. Its width is 24.6 m at sea level and approximately 21 m at the bottom. The sides rise vertically up to 79 m above the sea, forming a narrow, breathtaking passage unlike any other in Europe.
The idea of digging a canal existed since antiquity. The first attempt is attributed to the 7th century BC, while the most systematic effort was made by Emperor Nero in 67 AD. In the modern era, the newly established Greek state prioritised the canal’s construction from its inception, with Ioannis Kapodistrias commissioning a relevant study. The excavation was finally completed in 1893.
Today, the Canal serves approximately 15,000 ships annually from more than 50 countries. The maximum permitted ship height is 52 metres due to the rail and road bridges. Stand atop one of the bridges to watch a ship pass from above—the sense of scale is truly revelatory.
If you have time, head to the ends of the Canal at the harbours of Isthmia and Poseidonia to experience the passage from water level. There, you can see the submersible bridges that allow road connection between Central Greece and the Peloponnese without interrupting navigation. The sight of them descending into the water to let a ship pass is part of the daily rhythm of the Isthmus.
The Corinth Canal is a living boundary—a point of transition where geography, engineering, and history meet in a perfect, linear cut.
The idea of digging a canal existed since antiquity. The first attempt is attributed to the 7th century BC, while the most systematic effort was made by Emperor Nero in 67 AD. In the modern era, the newly established Greek state prioritised the canal’s construction from its inception, with Ioannis Kapodistrias commissioning a relevant study. The excavation was finally completed in 1893.
Today, the Canal serves approximately 15,000 ships annually from more than 50 countries. The maximum permitted ship height is 52 metres due to the rail and road bridges. Stand atop one of the bridges to watch a ship pass from above—the sense of scale is truly revelatory.
If you have time, head to the ends of the Canal at the harbours of Isthmia and Poseidonia to experience the passage from water level. There, you can see the submersible bridges that allow road connection between Central Greece and the Peloponnese without interrupting navigation. The sight of them descending into the water to let a ship pass is part of the daily rhythm of the Isthmus.
The Corinth Canal is a living boundary—a point of transition where geography, engineering, and history meet in a perfect, linear cut.


































