Tunnel of Eupalinos

The tunnel of the Eupalinos at Pythagorion on the Greek island of Samos is part of an aqueduct that dates back to the 6th century BC. The Eupalinos tunnel was built to provide the city with water. With a length of 1036 meters, the Eupalinos tunnel was also the longest tunnel of its time and an architectural masterpiece. The tunnel is now a tourist attraction and can be accessed along its entire length from the southern entrance. There are tours to the point where the two excavations meet.


The Eupalinos tunnel is named after the architect Eupalinos of Megara, nothing else is known about the person Eupalinos.
In literature, the tyrant Polkrates of Samos is mentioned as the principal of the tunnel (ruled 537-522 BC). Estimates of the construction time vary from 8 to 15 years.


The tunnel was in operation for more than a thousand years, until it was neglected in the 7th century AD and finally abandoned completely.
The Eupalinos tunnel was rediscovered in 1882 by an abbot who had read the ancient writings of Herodotus. The spectacular thing about the old aqueduct was that the builders achieved this without technical aids. It is said that the tunnel was carved into the rock from two sides.
If you want to visit the Eupalinos tunnel, you will notice that the entrance is not very wide. The final length of the tunnel that you can visit nowadays is around 40 meters. Then you come to a grid where the rest of the tunnel is closed. The tunnel is lit to give visitors an excellent picture of the work.

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