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Discover the Engineering Marvel of the Tunnel of Eupalinos

Explore the Tunnel of Eupalinos, an ancient Greek engineering marvel on Samos Island, showcasing rich history and stunning natural beauty.

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A brief summary to Tunnel of Eupalinos

The Tunnel of Eupalinos, located on the charming island of Samos, Greece, is an extraordinary historical landmark that continues to astonish visitors with its sheer scale and engineering brilliance. Constructed in the 6th century BC under the guidance of the renowned engineer Eupalinos, this aqueduct served a vital purpose: to transport water from one side of the mountain to the city of Pythagoreion. At approximately 1,036 meters long, it is one of the earliest examples of a tunnel built for water supply and stands as a testament to the advanced engineering skills of ancient Greeks. As you approach the tunnel, you’ll be greeted by the stunning natural scenery of Samos, with lush green hills framing the entrance. Inside, the dimly lit tunnel creates a mysterious atmosphere, allowing visitors to appreciate the remarkable craftsmanship that has endured for over two millennia. Walking through the tunnel gives you a unique perspective on the ingenuity of ancient civilizations and their ability to manipulate natural resources for the benefit of their communities. In addition to its historical significance, the Tunnel of Eupalinos is surrounded by a peaceful landscape, making it an ideal spot for a leisurely stroll or a picnic. After exploring the tunnel, take time to enjoy the beautiful views of the island and visit the nearby archaeological sites that tell the story of Samos’s rich heritage. This blend of history, engineering, and natural beauty makes the Tunnel of Eupalinos a highlight of any visit to Samos.

Local tips

  • Visit early in the morning to avoid crowds and enjoy a peaceful exploration.
  • Wear comfortable shoes as the tunnel can be uneven and slippery in places.
  • Bring a flashlight to fully appreciate the tunnel’s length and unique features.
  • Consider combining your visit with a trip to the nearby archaeological site of Pythagoreion.
  • Check the opening hours before your visit, as the tunnel is only open during specific times.
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Experience Tunnel of Eupalinos

Getting There

  • Bus

    From Samos Town (Vathy), take the KTEL bus towards Pythagorio. The bus station is located near the main square. Look for the bus with signs indicating Pythagorio or Eupalinos. The journey takes about 30 minutes. Get off at the Pythagorio bus stop. From there, follow the signs towards the Tunnel of Eupalinos.

  • Walking

    Once you arrive in Pythagorio, head towards the harbor and walk along the waterfront. Continue straight until you reach the main road (Epar.Od. Pythagoreio - Chora). Turn right and follow this road. After approximately 1.5 kilometers, you will see signs for the Tunnel of Eupalinos. Follow the signs up the hill. The walk will take about 20-30 minutes.

  • Bike Rental

    If you prefer cycling, rent a bike in Pythagorio. There are several rental shops near the harbor. Once you have your bike, head towards the main road (Epar.Od. Pythagoreio - Chora) and follow the route to the Tunnel of Eupalinos. The bike ride will take approximately 10-15 minutes, depending on your pace.

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